BRAND-NEW
Waterborne Products News from Condoroil for the Coil Coating Industry CROMCOAT CR 646 Passivating for galvanized coil
CONDORBOARD LV Waterborne Paint: for coil with blackboard effect
The trivalent chromium deposit to be applied varies between 15 and 40 mg / m2 (Figs. 1 e 2), depending on the treated substrate, the corrosion resistance that you want to give or that the customer requires. The product is also compatible with the majority of fluids used in the skinpassing phase.
© Condoroil Chemical
© Condoroil Chemical
© Condoroil Chemical
Condoroil has recently developed a new Board effect is a must for the home décor. formulation for the passivation of galvanized coils. In the market there are different paints DIY with “board” effect that can be used to The product has been named with the acronym CROMCOAT CR 646 and it differs from the decorate homes, walls, furniture, cabinets, appliances, light fixtures, doors. current CR 644 since it has a double active Everything can be painted giving new life to components concentration. furnishings, proving to be very With the use of the formulation useful to write memos, shopping there are no technical changes in the lists, appointments etc. application and / or performance Condoroil Chemical, but simply a reduction in the cost always in step with the times of use of the product resulting and fashions, created the from lower specific purchasing and new CONDORBOARD LV, a logistics costs. “board” coating effect for CROMCOAT CR 646 is a product coil coating (Fig. 3). specifically formulated to give a high The CONDORBOARD LV product yield, in the passivation of hot-dip is mainly used on metal coated galvanized surfaces (HDG). steels (eg. Hot-dip galvanized) The high yield of CROMCOAT CR 646 or aluminum in order to obtain a ensures a strong reduction of the coating with blackboard effect. concentrated product consumption 1 2 Once dried, it is possible to compared to the trivalent chromium write on the coil surface with passivating normally in use. This Figure 2: Cr 40 mg/m2 after 96 Figure 1: Cr 15 mg/m2 after 24 h normal blackboard chalks. facilitates the customer in having of NSS. h of NSS. The inscriptions are cleared a reduced handling of tanks and consequently it reduces the space quickly by simply using a dry cloth. CONDORBOARD LV is a water-based for storage. product which can be applied as it is, It is usually used with a roller applicator, chemical coater or spray and squeege. After dipping, spraying or by the use a chemical passivation with CR 646 the galvanized coil coater. A perfect drying of the product is must be dried in such a way that the surface obtained reaching a PMT of 80°C. reaches a PMT higher than 50°C. If applied on HDG it presents the advantage CROMCOAT CR 646 is a passivating totally free of obtaining a magnetic blackboard effect of hexavalent chromium and fluorides. product, thus allowing the application It allows to ensure a corrosion resistance that of memo and pictures with the help of a exceeds the highest demands of the market simple magnet. 3 ensuring excellent wettability and uniformity of the support (WR <5% after 100 h NSS with 30 For further information: Figure 3: The blackboard effect of the new 2 paint for coils. mg / m deposit). www.condoroil.com
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N. 45 - MAY/JUNE 2017 - international PAINT&COATING magazine