Coatings SA June 2025

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We are proud to be associated with leading paint manufacturers & have a key focus on EXPORT markets in Africa. We boast a team of highly skilled polymer chemists in the laboratory as well as on the plant to ensure quality control and superior standards of resin. Adding to the mix is our MAINTENANCE team of qualified engineers, fitters, welders & electricians. Our high-quality polymers are the key to vibrant decorative, industrial, automotive, and other coatings. Our state-of-the art laboratory boasts cutting-edge technology and a team of R&D chemists who endeavour to develop products for our customers.

The vision is to RE-DEFINE the COATINGS INDUSTRY with our QCCP (Quality, Consistency & Competitive Prices) THEORY. Are you looking for lightning-fast delivery? Our 20-metric ton bulk delivery vehicle guarantees your order will arrive within 24-72 hours.

• Long, Medium & Short Oil Alkyds

• Urethane Alkyds & Oils

• Hydroxy Functional Acrylics

• Thermoplastic Acrylics

• Speciality Alkyds

• Short & Medium chain stopped Alkyds.

• Styrenated & Acrylated Alkyds

• Amino Resins (Urea & Melamine Formaldehyde)

• Thermoset Acrylics

• Saturated Polyesters

Experience the MAGIC with SYNTHETIC POLYMERS!

EDITORIAL

EDITOR Sandy Welch

Tel: 084 525 0666

Email: sandy.welch@newmedia.co.za

SUB EDITOR Gill Abrahams

Email: gill.abrahams@newmedia.co.za

LAYOUT & DESIGN Kyle Martin

Email: kyle.martin@newmedia.co.za

ADVERTISING

ADVERTISING EXECUTIVES

Natalie Sanders

Tel: 082-450-2317

Email: natalie.sanders@newmedia.co.za

PHOTOGRAPHS

Unless previously agreed in writing, Coatings SA owns all rights to all contributions, whether image or text.

SOURCES

Getty Images, supplied images, editorial staff.

DISTRIBUTION & SUBSCRIPTIONS

Felicity Garbers

Email: felicity.garbers@newmedia.co.za

UPDATE YOUR DETAILS HERE

Email: register@media24.com

Web: www.diytradenews.co.za

PUBLISHING TEAM

GENERAL MANAGER Dev Naidoo

PRODUCTION MANAGER Angela Silver

ART DIRECTOR David Kyslinger

DIGITAL MANAGER Varushka Padayachi

Johannesburg Office: Building 13, The Woodlands Office Park 20 Woodlands Drive, Ground Floor, Woodmead, Sandton PO Box 784698, Sandton 2146

PRINTING

Printed and Bound by Novus PrintCape Town

paint compliance

Company profile: Bodo Möller Chemie South Africa

News: Excelsior celebrates 88 years of excellence

News: Sudarshan Chemical and Heubach Group acquisition is finalised

News: The impact of geopolitical factors

News: Using galavanised steel in SA's infrastructure project

Feature: Key insights from the European Coatings Show 2025

Technical report: Modern defoamers for paints, coatings and construction materials

Diary: Coatings shows from around the world

New voice, same passion

It’s with great excitement that I introduce myself as the new editor of Coatings SA . As someone who has long admired the innovation, resilience and technical expertise that define the coatings industry, I’m honoured to step into this role.

My goal is to continue building on the magazine’s strong foundation and to deliver relevant, insightful content that speaks to both the challenges and opportunities shaping the sector.

Whether you’re on the factory floor, in the lab or at the helm of a business, I look forward to bringing you stories that inform, inspire and connect this vibrant community.

In this issue, we explore key takeaways from the European Coatings Show 2025, which proved to be a major success. Attendees were energised by the cutting-edge innovations and

product developments showcased at the event, many of which we hope will soon reach our local market.

We also feature valuable insight from Tara Benn, CEO of SAPMA, on the recently released Implementation Guideline: Lead in Paint Compliance (2025). This long-anticipated framework, which came into effect on 17 May 2025, is designed to align the industry.

Enjoy the read

Sandy Welch

ed’s note
SAPMA executive director: The long journey to pioneering lead-free

SAPMA pioneers leadfree paint compliance:

A 14-year commitment to accountability and public safety

The South African Paint Manufacturers Association (SAPMA) proudly unveils the Implementation Guideline: Lead in Paint Compliance (2025), a comprehensive framework crafted to ensure the paint and coatings industry fully aligns with the Regulations Relating to Lead in Paint or Coating Materials (2024), effective 17 May 2025. What must, however, be borne in mind is that this is a guideline and in no way sets out to replace the regulations themselves. Ultimately, it is up to our members to address any outstanding concerns with the Department of Health directly, although SAPMA will always be available to assist. These regulations represent a transformative step toward eliminating lead — a toxic substance linked to severe health risks, particularly neurological damage and developmental delays in children — from paints and coatings, safeguarding public health and environmental integrity. SAPMA’s Executive Committee initiated this guideline to eliminate ambiguity, drive sectorwide compliance, and reinforce the industry’s reputation as a responsible steward of safety and sustainability.

A 14-YEAR JOURNEY TO ROBUST AND EQUITABLE REGULATION

The Regulations Relating to Lead in Paint or Coating Materials began in 2011, sparked by global efforts, including the World Health Organization and the Global Alliance to Eliminate Lead Paint, to phase out lead in paints. Over these 14 years, SAPMA members, particularly raw material suppliers and paint manufacturers, have been instrumental in shaping a regulation that is stringent yet practical.

Through consistent engagement with the Department of Health, technical committees, and international bodies, SAPMA advocated for a 90 parts per million (ppm) lead threshold that balances public safety with the challenges of reformulating complex paint products.

Our members invested in research, safer alternative ingredients, and compliance systems, ensuring the regulation is fair, enforceable, and aligned with global standards. This guideline builds on that legacy, offering a clear path for the entire industry to uphold these hard-won standards.

WHY SOME COMPANIES RESIST THE REGULATION

Despite the 14-year lead-up, some companies remain opposed to the regulations, citing the costs and complexities of compliance. This resistance often stems from a failure to heed warnings from both the Department of Health and SAPMA, which have consistently communicated the impending changes since 2011.

These companies, having been ‘asleep at the wheel’, neglected to reformulate products, secure compliant supply chains, or invest in testing infrastructure. Now, facing the imminent 17 May 2025 deadline, they argue that the timeline is too aggressive or the 90 ppm threshold too restrictive. However, this overlooks the ample notice provided and the proactive steps taken by SAPMA members who embraced early preparation. The guideline aims to bridge this gap, but compliance is non-negotiable, and unprepared firms risk significant penalties and reputational damage.

WHY SAPMA DEVELOPED THE GUIDELINE

The 2024 regulations set a clear standard: no paint or coating material may exceed 90 ppm of lead. The complexity of the supply chain from raw material sourcing to retail distribution posed risks of misinterpretation, inadequate documentation, and non-compliance. SAPMA’s Executive Committee convened a stakeholder meeting uniting manufacturers, suppliers, retailers, contractors, legal experts, and compliance officers. The outcome was a rejection of ‘grey areas’ in compliance: a product either meets the 90 ppm threshold or it does not. The Implementation Guideline provides clear directives, ensuring stakeholders understand their obligations and act confidently. By transforming compliance into a strategic priority, SAPMA aims to protect public health, mitigate legal and financial risks, and elevate the industry’s credibility.

Regulatory framework and compliance timeline

The Lead in Paint Regulations introduce rigorous requirements with a phased implementation: • 17 May 2025: Compliance Declaration Certificates (CDCs) are mandatory for every first batch of paint and upon any material change in formulation. CDCs must follow Annexure A of the regulations and be publicly accessible. Department of Health inspectors will enforce compliance, using portable X-ray fluorescence (XRF) devices for on-site screening and detaining non-compliant products for laboratory confirmation (eg, ICPMS or AAS). Penalties include fines of R250 000 to R500 000,

From the Executive Director

product recalls, bans, and facility closures for repeat offenders.

• 17 May 2026: All paint products must feature Globally Harmonised System (GHS)compliant labelling, as well as include all the labelling requirements set out under section 6 of the regulation.

These deadlines demand immediate action. SAPMA’s guideline details processes for documentation, testing, and reporting to ensure seamless compliance.

THE SAPMA WHISTLEBLOWERS HOTLINE: ENSURING FAIR COMPETITION

SAPMA’s Whistleblowers Hotline enables anonymous reporting of noncompliance, protecting compliant businesses from unscrupulous competitors using substandard

safety and disadvantage firms investing in compliance. The hotline empowers stakeholders, employees and contractors, to report violations confidentially, ensuring swift action without retaliation. Reports are escalated to regulators for further investigation. The details are listed in the box on this page. c

Tara Benn, CEO of SAPMA, on

For more information, visit www.sapma.org.za or contact SAPMA at +27 10 009 6823.

Whistleblower Reporting Channels

• Email: whistleblower@sapma. org.za

• Anonymous Tip-Off Line: 0800 111 222 (SAPMA Compliance

Photo credit: Getty Images / miniseries

Driving innovation in CASE and construction solutions

Bodo Möller Chemie South Africa, a subsidiary of the globally respected Bodo Möller Chemie Group, has been a trusted partner to Southern Africa’s specialty chemicals sector since 2011.

The company is a specialist for coatings applications in many industries and offers raw materials like resins, additives and pigments for architectural paints, wood finishing, industrial and automotive coatings, printing inks, floor coatings, construction adhesives and sealants, including powder coating systems.

Along with its broad product portfolio, it offers a unique full-service package: Its Coatings Competence Center includes a modern Polymer System House and regional laboratories to support the customers in formulating optimised coating systems.

In response to rising demand for advanced and sustainable materials, Bodo Möller Chemie South Africa launched its dedicated CASE & Construction Division in 2020 – delivering targeted solutions in Coatings, Adhesives, Sealants, Elastomers (CASE), and construction chemicals.

As part of a network spanning more than 40 countries, Bodo Möller Chemie South Africa blends global innovation with local expertise, offering a premium portfolio backed by technical support and agile supply capabilities. Whether you're formulating a high-performance adhesive or a weather-resistant coating, the company brings both the materials, and the knowledge needed to succeed in today’s fast-evolving markets.

STRATEGIC GLOBAL PARTNERSHIPS

Bodo Möller Chemie South Africa represents a curated selection of world-class chemical manufacturers, including:

• BASF – Industry-leading emulsions (Acronal®), additives (EFKA®, DISPEX®, TINUVIN®, RHEOVIS®, FOAMSTAR®), and

resins (Joncryl®, Basonat®)

• Huntsman – High-performance epoxy systems and curing agents under the Araldite®, Aradur®, and Jeffamine® brands

• IMERYS – Engineered mineral solutions that enhance product performance and stability

• Ruichem – Reliable titanium dioxide pigments for a range of coating and ink applications

• Lotte Fine Chemical – Highquality cellulose thickeners for optimised flow and viscosity

• Celanese – Vinyl acetate emulsions, specialty solvents, and redispersible powders (ELOTEX®) for adhesives and cementitious systems.

TAILORED PRODUCT SOLUTIONS

The division offers a complete suite of solutions tailored to meet today’s toughest formulation challenges:

• Emulsions and resins – For architectural, industrial, and wood coatings

• Additives – Including UV stabilisers, wetting agents, defoamers, and rheology modifiers

• Epoxy systems – Robust options for adhesives, flooring, and structural components

• Pigments and minerals – For opacity, brightness, and enhanced performance

• Thickeners and powders – To boost stability in dry-mix and cementitious applications.

SERVING A WIDE RANGE OF INDUSTRIES

Bodo Möller Chemie South Africa’s CASE & Construction Division supports a variety of sectors, including architectural and industrial coatings; construction chemicals; adhesives and sealants; waterproofing and cementitious products; printing inks, rubber and composites.

A PARTNER FOR PROGRESS

What sets the company apart is its holistic value proposition – access to premium materials, local and international technical support, and a deep commitment to sustainability. With local warehousing and a strong logistics infrastructure, customers benefit from supply reliability and responsive service.

As part of the global Bodo Möller Chemie Group, chaired by CEO Frank Haug, the South African team continues to help local formulators create competitive, compliant, and environmentally conscious products. c

For more information, visit bm-chemie.co.za

88 Years of Excellence

As one of South Africa’s most respected independently owned paint manufacturers, Excelsior Paints celebrates an incredible 88 years of dedication, colour and innovation in June 2025.

Excelsior’s journey would not have been possible without the unwavering support of the retailers who have stood by the brand over the years. Excelsior has always dealt directly with retailers, never selling to the public and this unwavering B2B focus has allowed the company to establish deep, meaningful partnerships across the country.

“We owe everything to our retailers,” says the Excelsior team. “Their loyalty and belief in our brand have been the foundation of our success. Without them, we would be nothing.”

To celebrate and say thank you, Excelsior Paints is rolling out an exciting range of birthday giveaways, discounts, and prizes to mark the occasion. The promotions include:

• 88 Years, 88 Suprises!

• Special DIscounts

• Exciting Giveaways

• Fun Prizes

• And so much more!

Retailers - you never know what surprise is waiting for you - but one thing’s for sure, you won’t want to miss it!

Come celebrate 88 amazing years with 88 reasons to smile!

FROM DUSTY BEGINNINGS TO NATIONAL REACH

Founded in 1937 by German immigrant Walter Rauner and his wife, Excelsior Paints began life in a modest Johannesburg factory during the city's early mining days. The original gallon drum – now an iconic symbol – was a staple in hardware stores for decades.

A lot has changed since then. When Guy Lawson joined the company in 1995, Excelsior was still proudly family-run but poised for bigger

things. Today, the company produces nearly 88 000 litres of paint per day, six days a week – a fitting number for its 88th year!

THE WOMAN BEHIND THE LEGACY

As we raise a toast to 88 years, it's only fitting to shine a spotlight on one of the driving forces behind the company’s modern success – Kim van Rensburg. A Wits graduate and mother of five, Kim joined the business in 2000, stepping into a behind-the-scenes administrative role alongside her father Ron and brother Guy. But it didn’t take long for her sharp business acumen, extraordinary work ethic and eye for detail to elevate her to a key leadership position.

Today, Kim is a director of Excelsior Paints, overseeing a wide array of departments including administration, finance, HR and legal affairs. She leads a team of more than 200 employees,

creating a workplace culture built on accountability, excellence and mutual respect. “Kim is the glue that holds it all together,” say those who work closely with her. “She may not always be in the spotlight, but her leadership is irreplaceable.”

Building the future: Innovation and sustainability

Excelsior Paints is investing in innovation and leading the charge toward greener practices:

• The solar-powered factory (in partnership with Decentral Energy Services)

• Advanced water purification systems

• Recyclable solvent packaging

• The ‘Return the Pack’ initiative: Customers can return empty paint buckets to selected retailers, where leftover paint is recycled for charitable use.

The Excelsior Academy of Paint

Excellence, its national delivery network of 40+ drivers, and continued investment in local job creation show the company's commitment to building a better, more sustainable South Africa.

So, here’s to 88 years of colour, care and community – and to the next 88. c Visit www.excelsiorpaints.co.za

Director Kim van Rensburg

Mondi’s new re/cycle SpoutedPouch

Mondi has collaborated with Sherwin-Williams to introduce re/cycle SpoutedPouch as a refill option for its concentrated paint, sold on the UK market.

Leveraging the expertise in its Halle/Steinfeld plant in Germany, Mondi introduced a wider spout for easier filling and pouring, while ensuring the mono-material pouch is designed to protect its contents.

The paint concentrate was developed to replace the traditional 5-litre pre-mixed paint in rigid plastic tubs. Consumers are encouraged to reuse these tubs to mix the paint concentrate and then recycle the refill’s packaging. It comes in a lightweight 950ml

spouted pouch with instructions for mixing clearly printed on the side. The spout offers excellent pourability to make it easy to mix with water and create the needed amount of paint. The pouch can be tightly closed after usage.

Mondi worked closely with Sherwin-Williams to deliver a solution tailored to their specific packaging needs. re/ cycle SpoutedPouch is a pre-made pouch made from polyethylene monomaterial and has a wider spout making it easier for Sherwin-Williams to fill the paint

concentrate. Mondi’s SpoutedPouch reduces packaging waste and provides ease of use to outdoor painting projects, along with minimising the space needed to transport and store paint.

The condensed size compared to regular 5-litre pre-mixed paint tins means 230% more units can fit on each pallet, resulting in increased efficiency within the supply chain. The pouches also take up less space on retail shelves and come packaged in shelf-ready tear-front boxes of five units, allowing easier stock replenishment. It’s more convenient for consumers to carry home and the leftovers are easily stored.

* Single unit comparison by weight of plastic content in the product packaging, when comparing a 950ml concentrate pouch vs a 5L bucket. Only available in the UK.

Mondi’s re/cycle SpoutedPouch replaces plastic tubs for paint.

Sudarshan Chemical completes acquisition of Heubach Group

In March, Sudarshan Chemical Industries Limited through its wholly owned subsidiary Sudarshan Europe B.V., completed its previously announced acquisition of Germany-based Heubach Group ('Heubach') in a combination of an asset and share deal.

This strategic acquisition creates a global pigment leader, bringing together SCIL’s operations and expertise with Heubach's technological capabilities. It will enhance SCIL’s product portfolio, giving it access to a diversified asset footprint across 19 international sites. The combined company will have a broad pigment portfolio of high-quality products and a strong presence in major markets including Europe and the Americas. With that, the new Sudarshan is ideally positioned to deliver high-quality solutions that fit its global customers’ needs. Rajesh Rathi will lead the combined company as managing director and chief executive officer alongside a high-performing leadership team with technomanagerial competencies.

A PROUD HISTORY

Heubach has a 200-year-old history and became the second largest pigment player in the world after its integration with Clariant in 2022. It had over a billion euros in revenue in FY21 and FY22, with a global footprint especially in Europe, Americas, and the APAC region. Heubach faced financial challenges over the past two years due to rising costs, inventory issues, and high interest rates. SCIL’s acquisition of Heubach will address these challenges with a clear turnaround plan.

Commenting on the closure of the acquisition, Rathi said, “Today marks an exciting new chapter as we unite with Heubach to become an inspirational leader in the colourants industry.

The combined company builds on the rich legacies of both Sudarshan and Heubach. Our goal is now to create the world’s most valuable pigment company with great financial strength and profitability. Together, we will drive continuous innovation and deliver breakthrough solutions that benefit each of our stakeholders.”

CREATING A UNIFIED ORGANISATION

SCIL is proud to have completed the transaction on schedule. The integration team has worked diligently to ensure a smooth transition and has already developed a detailed execution plan across all functions. The immediate priority will be to operate as one, unlocking efficiencies, driving synergies, and fully integrating legacy

Clariant, Heubach, and Sudarshan into a unified, stronger organisation with shared values.

Germany remains a strategic location for SCIL and by establishing its second global headquarters in the Frankfurt area, the company underscores the region’s role as a key pillar of its operations and future growth.

The new SCIL stands for boldness, passion and ambition with strong customer centricity and solution orientation. The integration will foster a culture of agility and entrepreneurship, allowing the company to move quickly and effectively. It will implement best practices and create simplicity in structures, systems, and processes. SCIL will also focus on financial stability, prudent cash management, and investing for the long-term. c

SUNBURST 420 SUNBURST 420 SUNBURST 420

Features:

Sunburst 420 is a new and innovative defoamer that was developed using the latest raw materials and manufacturing technology. It provides durable foam control at all stages of the manufacturing process.

Application:

Sunburst 420 is suitable for use in the manufacturing of all kinds of water-based architectural coatings, surface coatings, textiles, and paper coatings. It also effective in water treatment and other waterbased applications that require deaeration.

Application Advantages:

Its highly active nature produces excellent foam quelling and suppression during grinding as well as application. Retains deaerating properties during extended storage of paint.

Promotes the bursting of air bubbles during the agitation of application processes of brush, roller, and spray. Easy to disperse without the need for strong shear forces. Excellent product compatibility resulting in a surface free of defects.

How geopolitical factors impact the SA coatings industry

Importers of raw materials into South Africa are currently navigating a complex and volatile geopolitical landscape, with significant implications for cost, supply consistency and longterm strategy.

Global tensions — including conflicts in Eastern Europe and the Middle East — are disrupting established trade patterns, while economic nationalism, new tariffs and energy market volatility continue to shape the pricing and availability of key commodities.

One of the most pressing challenges facing South African importers is the volatility in oil prices. The ongoing geopolitical instability in oil-producing regions such as the Middle East, coupled with supply restrictions from OPEC+ countries, has led to elevated and unpredictable fuel costs. Since oil is a critical input in both production and transport, these price swings cascade through the supply chain, driving up shipping, logistics, and input costs across multiple sectors — from agriculture and manufacturing to mining and construction.

TARIFF ESCALATION AND TRADE TENSIONS

The tariff environment has intensified considerably in 2025, with the US implementing a 25% tariff on steel and aluminium imports from multiple countries. Additionally, Chinese imports face an extra tariff across

all categories, including essential raw materials. These measures create immediate cost pressures for importers, particularly those in metalintensive industries.

Beyond the US-China dynamic, we're seeing a cascade of reciprocal tariffs globally.

Countries like Vietnam face rates up to 46%, while others such as Tunisia, Zambia and Zimbabwe are dealing with 17%-28% duties on ‘all products’ without exemption. For raw material importers, this means navigating a complex web of additional costs that significantly impact margins.

SUPPLY CHAIN AND ECONOMIC RIPPLE EFFECTS

At the time of writing, a meeting between US President Donald Trump and President Cyril Ramaphosa is imminent. It’s uncertain how these talks will go, although there is hope that the Agoa Agreement will be extended. However, if the US were to increase tariffs on South African imports into the US, the direct impact on the South African coatings industry would likely be limited. However, the indirect effects are likely to be felt in the following ways:

Retaliatory tariffs or diplomatic strain

• If South Africa responds with countermeasures, it could lead to trade friction, affecting imports of raw materials if supply chains include the US.

Investor confidence and currency volatility

• A tariff dispute could weaken investor confidence, negatively affecting the rand

• A weaker rand would make all imports, including raw materials for coatings (like resins, pigments, additives), more expensive, squeezing margins.

Downstream industries could suffer

• If tariffs affect broader sectors (eg, automotive, construction, mining), demand for coatings from those sectors may decline

• For example, reduced vehicle or infrastructure exports due to US tariffs could reduce demand for industrial coatings.

Strategic shifts for the industry

• The industry may be incentivised to diversify export markets, focusing more on Africa, the Middle East or Asia

• Companies may reassess sourcing strategies, seeking more local or nonUS inputs to hedge against global trade risk.

In this context, South African importers must rethink their procurement strategies. Diversifying suppliers across regions, investing in supply chain visibility tools, and entering into more flexible or longer-term contracts may help mitigate some of the risks. Ultimately, agility and proactive risk management will be essential for businesses to remain competitive amid ongoing global uncertainty. c

* Article compiled with the help of Toqan.ai References are available on request.

Photo credit: Getty Images / LumiNola

LEAD-FREE road marking

Our DELTALINE LF ED hybrid pigments are designed for paint manufacturers who do not have grinding equipment. This line of easily dispersible pigments requires only a Cowles dispenser for integration in the vehicle to reach a fineness suitable for most paints. These pigments are ideal for traffic paint manufacturers of both water based and solvent based systems.

We also offer a wide range of lead-free alternatives for decorative, automotive, industrial, and other applications. Our portfolio includes everything from costeffective organic grades to high-performance hybrid pigment solutions, delivering both value and exceptional quality.

Please contact your sales representative for more information.

PY
PY 34

Galvanised steel critical for SA’s R1tn infrastructure investment plan

South Africa’s galvanised steel industry and the zinc rich paint suppliers are poised to play an important role in public infrastructure, to which more than R1 trillion has been allocated by South African Finance Minister Enoch Godongwana in this year's budget speech.

The spending will focus on three sectors, namely R402 billion for transport and logistics, R219.2 billion for energy infrastructure, and R156.3 billion for water and sanitation. “The mooted infrastructure investment plan will hopefully be a major fillip for South Africa’s galvanised steel industry and the zinc rich paint suppliers,” says Simon Norton, director of the International Zinc Association (Africa). Infrastructure construction and reinforced concrete, encompassing bridges, buildings, piping, and power transmission towers, relies heavily on steel due to its strength and versatility.

Galvanised steel is used for bridge beams, guardrails, reinforced steel in concrete and other structural components. Continuously galvanised steel sheet is used for roofing, cladding, and hot dip galvanised steel for structural framing. Zinc coatings protect pipes and storage tanks from corrosion, ensuring the safe transport and storage of water and waste-water.

Galvanised steel is also used for power transmission towers and railway electricity pylons, providing long term protection in harsh environments such as along the South African West coast as well as the South and East Coasts of Southern Africa. It is also used for telecoms towers, ensuring reliable communication infrastructure which

does not rust and collapse.

In addition, galvanised steel is key in water treatment and sewage plants, providing resistance to corrosion and wastewater. “This is a key sector for galvanised steel and zinc rich coatings in Southern Africa,” explains Norton.

However, steel’s vulnerability to corrosion poses a significant challenge, threatening the operational life and safety of these critical structures. To fight this, zinc coatings have emerged as a vital protective measure, offering a double defence mechanism, both a physical barrier and cathodic protection.

Steel, when exposed to water and oxygen, undergoes corrosion, commonly

known as rusting. This process weakens the material, leading to structural failures and costly repairs. If infrastructure is exposed to harsh environments, such as in marine or industrial locations, the rate of corrosion accelerates, necessitating effective protective strategies and that’s where zinc comes into its own.

Zinc coatings significantly extend the service life of steel structures, reducing maintenance costs and minimising downtime. Zinc coated steel, particularly batch hot dip galvanised steel, is highly resistant to abrasion, impact, and other forms of mechanical damage.

The long-lasting protection provided by zinc coatings minimises the need for frequent maintenance, recoating and repair. Although the initial cost of zinc coating may be higher than other protective measures such as painting, its long-term durability and reduced maintenance requirements make it a cost-effective solution that far outstrips using only paint. A key technique is to use an organic paint coating over hot dip galvanising, the so-called DUPLEX SYSTEM, which then provides very long life for steel structures exposed to our harsh South African coastal environment.

Zinc is a naturally occurring element and is totally recyclable. The long service life of zinc coated steel also contributes to sustainability by reducing the need for frequent replacements. c

Zinc-rich primer is an example of an excellent anti-corrosion coating
The Cape’s coastal environment is highly corrosive, as evidenced by the rusted bolts on a crucial water tank at a desalination plant Galvanised rebar is coated with zinc to improve rust resistance
Photo credit: Getty Images / Sergio Mendoza Hochmann

AQUALOC & SCREWGOO

Have you noticed any new leaks?

Try using AquaLoc and Screwgoo to waterproof your home.

Fix the damage with ScrewGoo which offers:

• An Easy application

• good adhesion

• Quick drying (approx. 2 hours)

Then coat your roof with AquaLoc.

AquaLoc is a Latex waterproofing compound that is:

• Quick drying (Approx. 1 hour)

• Non-toxic.

• Extremely durable and flexible.

Key insights from the European Coatings Show 2025

At the European Coatings Show, which took place from 25 to 27 March, 25 681 industry experts learned about the latest trends and developments in the sector from 1 216 exhibitors from 46 countries.

The World Paint and Coatings Week also took place for the first time, and it proved to be a resounding success. The product presentations offered participants a comprehensive overview of the latest innovations and developments in the paint and coatings segment.

Every two years, the European Coatings Show fills eight exhibition halls, six of which are devoted exclusively to paint feedstocks, printing inks, adhesives, construction chemical precursors and associated services. Hall 4 was the venue for laboratory and production technology, testing and measuring systems, application technology, environmental protection and occupational safety, while Hall 4A housed a combination of all product segments. The five largest exhibiting countries this year were Germany, China, Italy, the Netherlands and India.

EUROPEAN COATINGS SHOW CONFERENCE

With 144 presentations and 660 delegates, the conference offered intensive knowledge transfer and the latest insights from the R&D segment under the banner ‘Shaping tomorrow’s innovation’. The high-

calibre programme started the day before the trade fair on 24 March. This year, there were two keynote speakers: Dr Frank Brower, renewable chemistry specialist at Stahl, with his presentation ‘The impossible project: A journey of transformation’, and Professor Katja Loos from the University of Groningen, with the keynote address ‘Designing renewable dynamic polymers for circular and advanced applications’.

A highlight of the conference was the presentation of the European Coatings Show Conference Award. This year, the €2 000 prize was awarded for the paper ‘Predicting Colour Changes in Coating Drying Process: An Innovative Approach Using Machine Learning Techniques’ by Gaoyuan Zhang from the Niederrhein University of Applied Sciences. Another high point was the ECS Student Award, which this year went to Luis Heller from the Technical University of Denmark.

PREMIERE FOR WORLD PAINT AND COATINGS WEEK

The World Paint and Coatings Week offered industry experts a unique opportunity to discuss the latest developments, innovations and regulatory trends in-depth. The event wasn’t just geared towards industry professionals but was also aimed at

the public to raise awareness about the essential role of coatings in our day-to-day lives.

EXHIBITOR FEEDBACK

BYK: “ECS 2025 once again provided us with an outstanding platform for face-to-face dialogue. The discussions we had focused on innovative and more sustainable additive solutions for PFAS-free formulations, which were of great interest to our visitors and reflect the growing global demand for environmentally friendly products. Our fully automated digital laboratory – the HTS system that cuts product development times substantially – also attracted a lot of attention,” says Dr Stefan Mößmer, managing director marketing and sales.

Covestro: “The 2025 round of the ECS demonstrated once again that it is the key gathering place for our industry and a hotspot for collaboration and innovation.

The resulting strong partnerships and high level of innovation are driving the shift to more sustainability in the market. At Covestro, we are proud of the contribution we are making towards this,” says Dr Martin Merkens, SVP and head of sales and market development EMLA, Coatings and Adhesives. c

SLOW AND STEADY...

We are proud to be associated with leading paint manufacturers & have a key focus on EXPORT markets in Africa. We boast a team of highly skilled polymer chemists in the laboratory as well as on the plant to ensure quality control and superior standards of resin. Adding to the mix is our MAINTENANCE team of qualified engineers, fitters, welders & electricians. Our high-quality polymers are the key to vibrant decorative, industrial, automotive, and other coatings. Our state-of-the art laboratory boasts cutting-edge technology and a team of R&D chemists who endeavour to develop products for our customers.

The vision is to RE-DEFINE the COATINGS INDUSTRY with our QCCP (Quality, Consistency & Competitive Prices) THEORY.

Are you looking for lightning-fast delivery? Our 20-metric ton bulk delivery vehicle guarantees your order will arrive within 24-72 hours.

• Long, Medium & Short Oil Alkyds

• Urethane Alkyds & Oils

• Hydroxy Functional Acrylics

• Thermoplastic Acrylics

• Speciality Alkyds

• Short & Medium chain stopped Alkyds.

• Styrenated & Acrylated Alkyds

• Amino Resins (Urea & Melamine Formaldehyde)

• Thermoset Acrylics

• Saturated Polyesters

Experience the MAGIC with SYNTHETIC POLYMERS!

Syensqo latest high-performing and sustainable coating solutions

Syensqo, formerly part of Solvay Group, showcased new additives, specialty monomers and green solvents at this year’s European Coatings Show (ECS) in Nuremberg, Germany.

The company’s latest innovations are designed to enable stepchange improvements in the durability and sustainability profile of paint and coating formulations.

“The paint and coatings industry aims to develop safer and more eco-friendly formulations with comparable or superior performance to incumbent solutions,” says Corinne Duffy, market director, Coatings, EMEA at Syensqo.

“As an innovative company dedicated to anticipating the needs of the coatings market, we are proud to join the industry at this pivotal event, sharing our latest innovations with our trusted partners.”

Syensqo’s exhibit at ECS 2025 built on three pillars to meet the industry’s sustainability needs: solutions for safety improvements, decarbonisation and durability enhancement.

SAFER SOLUTIONS FOR BETTER LIVING

The first pillar of Syensqo’s ECS

platform features food-contactapproved, label-free, low-dioxane and fluorosurfactant-free solutions for architectural and industrial paints. A key highlight in this category is Rhodoline® HBR, a new substrate wetting agent for waterborne coatings and paints. This fluorosurfactant-free specialty additive shows exceptional early hot block resistance (HBR), which refers to a coating’s ability to resist sticking or softening under high temperatures or pressure. It also provides dirt pick-up and stain resistance.

DECARBONISATION SOLUTIONS

SUPPORTING BUSINESS GROWTH

Aiming to drive business growth through decarbonisation, Syensqo is presenting low-carbon-footprint solutions and partially biobased products.

The Rhodiasolv® range of green solvents is designed to deliver sustainable performance across a wide array of applications, from industrial

processes to consumer products. Made from circular raw materials, Rhodiasolv solvents offer lower risk, high performance, and compliance with local and international environmental regulations, ensuring a safer and more sustainable future for all.

Additionally, Syensqo’s new wetting and dispersing agent, Rhodoline® 6100, enhances pigment paste formulations, which are concentrated mixtures of pigments that add colour to paints, coatings or inks. Rhodoline 6100 offers strong tinting power, excellent colour consistency and long-lasting stability. It helps paints spread easily for a smooth, even finish. The product is low in volatile organic compounds (VOCs), free of alkylphenol ethoxylates (APEs) and is made with 33% biobased materials. Versatile and unique, Rhodoline 6100 works well with both solvent-borne alkyds and water-based systems, offering compatibility with a wide range of pigments and binders.

Solutions for improved durability

To improve coatings durability without sacrificing performance, Syensqo is featuring:

• Addibond™ 106. Specifically designed for waterborne coating formulations, this adhesion promoter additive helps metal coatings maintain their adhesive properties once dried and when exposed to moisture or water (ie, dry and wet adhesion). Addibond™ 106 effectively protects metal surfaces from rust and corrosion in C1 and C2 environments.

• Sipomer® MAC. This nextgeneration specialty monomer has been engineered to improve adhesion and provide excellent corrosion protection in direct-tometal (DTM) coating formulations, which refers to coatings applied to metallic surfaces without a primer, meeting the requirements for medium-risk (C3) and high-risk (C4) corrosion environments.

• In addition to these innovative products, Syensqo showcased its architectural and industrial binder

solutions, further demonstrating its comprehensive offer for the paint and coatings industry.

Addibond™ is a trademark of Syensqo. Rhodiasolv®, Rhodoline® and Sipomer® are registered trademarks

KEY PERFORMANCE DATA

Superior Adhesion on Metals

Addibond™ 106 significantly enhances both dry and wet adhesion on metallic substrates, such as aluminium and galvanised steel, making it an ideal choice for durable coatings on metal surfaces.

Physical properties

pH:

Application flexibility

Addibond 106 works with waterborne direct-to-metal (DTM) coatings and primers, performing effectively with various resins like Acrylic, PUD and Epoxy. It is highly recommended for architectural and light industry coatings (C1/C2 corrosion resistance class), adapting to different application methods.

Minimal impact on key properties

Addibond 106 provides strong adhesion without negatively affecting critical properties such as gloss, colour (lab*), pH, viscosity or stability, ensuring consistent performance and aesthetic quality across applications, especially compared to industry benchmarks. c

6.5-7.5 at 25°C

Active content: 40-42%

Colour (APHA): 125 max

Viscosity: 500-3500 mPa.s at 25°C

Recommended use levels:

0.25-0.5% (active) 0.6-1% (as supplied)

Using AI to predict colour changes

Gaoyuan Zhang, a research student at the Niederrhein University of Applied Sciences, was awarded the ECS Conference Award 2025 for presenting the most outstanding paper at this year’s event.

His study focused on using machine learning to predict colour changes — a breakthrough with major implications for the coatings sector.

Working with his team at the Institute for Coatings and Surface Chemistry, Zhang demonstrated how deep learning can revolutionise colour prediction processes, offering meaningful gains in both efficiency and sustainability for the industry.

In an interview, Zhang commented: “I was genuinely surprised that a topic like AI received the award. It suggests that artificial intelligence is likely to play an increasingly prominent role in the paints and coatings sector going forward, with the industry becoming more receptive to its potential.”

The team’s colour-matching approach tackles two traditionally labour-intensive steps: mixing and applying the paint and then drying it — either slowly at room temperature

or quickly in an energy-consuming oven.

“This method eliminates both of those steps, reducing errors and saving energy,” Zhang explains.

By identifying a correlation between wet and dry colour spectra using a deep learning model, Zhang’s team can now predict one from the other.

Depending on the application, the team discovered various possible application options for this. They can accurately predict dry colour spectra from wet-state measurements (and vice versa).

This significantly reduces the need for repetitive lab work and energyintensive drying processes, making colour development faster and more cost-effective. c

Foam-Free Performance – Modern Defoamers for Paints, Coatings and Construction Materials

In the world of paints and construction chemicals, foam is more than just an aesthetic nuisance. Entrapped air can hinder processing, reduce surface quality, and negatively impact the overall performance of the final product. That’s why defoamers are essential components when it comes to achieving consistently high-quality results.

But not all defoamers are created equal. Formulators face the challenge of finding the perfect balance between efficiency, compatibility, and long-term effectiveness – all within a wide range of shear conditions, pH levels, and substrate types.

WHY FOAM HAPPENS – AND HOW TO TACKLE IT

Foam forms whenever air is introduced into a liquid, typically during stirring, pumping, or application. In aqueous systems, surfactants and emulsifiers can stabilise these air bubbles, leading to persistent foam. This can cause surface defects, viscosity issues, or even adhesion problems.

Modern defoamers rely on targeted chemistries – such as silicones, mineral oils, or vegetable-based compounds – designed to break foam quickly and prevent it from recurring. The key lies not just in immediate foam knockdown, but also in long-lasting control and ease of incorporation into formulations.

THE SPACTIVE® SOLUTION –TARGETED EFFICIENCY FROM CHT CHT’s SPACTIVE® product line offers a broad portfolio of high-performance

defoamers tailored to a wide range of applications – from paints and plasters to self-leveling compounds and concrete. Among them, four products stand out for their versatility and proven performance:

SPACTIVE® AC 3616

A true all-rounder: This 12% active silicone emulsion is a cost-effective choice for architectural paints and plasters. It’s easy to incorporate and delivers reliable defoaming performance without compromising on quality – ideal for formulators seeking a practical solution with a solid price-performance ratio.

SPACTIVE® AC 6838

A 30% mineral oil-based emulsion designed for universal use in architectural coatings. It performs well under both low and medium shear conditions and is particularly valuable in systems where silicone-based defoamers are less suitable. Its broad compatibility makes it a flexible tool in the formulator’s kit.

SPACTIVE® CT 1020

For systems requiring a concentrated defoamer with a 100% active silicone compound, AC 1020 offers a wellbalanced profile. It’s optimised for medium to low shear applications and stands out through its efficiency and long-lasting performance. Especially in demanding formulations, it ensures foam control without side effects.

SPACTIVE® CC 7050

A powder defoamer based on silicone, this product is specifically developed for the construction sector. It shows outstanding performance in self-leveling compounds and screeds, where air release is critical. Its powdered form facilitates easy dosing in dry mix systems, providing effective foam control right from the start.

THE BOTTOM LINE

Modern defoamers must meet increasingly complex demands. It’s no longer enough to simply eliminate foam – today’s products must be environmentally responsible, easy to use, and compatible with diverse formulations.

The SPACTIVE® range by CHT delivers precisely that: smart, effective defoamers engineered to perform reliably across industries.

From aqueous architectural coatings to high-performance construction materials, CHT’s SPACTIVE® products ensure smooth processing, clean surfaces, and optimised application – helping formulators achieve the perfect finish, every time. c

Visit www.cht.com/en/

CHT Group offers high performance silicone and oil-based defoamers for coatings, printing inks, architectural paints and mineral systems. With our SPACTIVE ® product portfolio it is possible to achieve premium quality surfaces and foam free industrial processes. Various delivery options like highly effective concentrates, stable emulsions and free-flowing powders are available worldwide. For further information regarding our SPACTIVE® portfolio visit www.cht.com or contact CHT South Africa

Coatings shows to diarise

Take note of the following shows that are of interest to the coatings industry.

• 23–25 September 2025

ABRAFATI, São Paulo/Brazil www.abrafatishow.com.br

• 20–22 October 2025

Gulf Coatings Show, Sharjah/UAE www.gulf-coatings-show.com

• 29–31 October 2025

Pacific Coatings Show, Jakarta/ Indonesia www.pacific-coatings-show.com

• 19–21 February 2026

• 5–7 May 2026

American Coatings Show, Indianapolis/USA

www.american-coatings-show.com

• 24–26 June 2026

Coatings for Africa Show

Sandton Convention Centre www.coatingsforafrica.com

Exhibition Centre Nuremberg

• 20–22 April 2027

European Coatings Show

• 19–21 April 2027

European Coatings Show Conference

Photo credit: Getty Images / Tatomm

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