Š Metallveredelungswerk Sulz GmbH
Opening picture: Coating metal surfaces protects them from corrosion and improves their aesthetic properties.
FOCUS ON TECHNOLOGY
Metallveredelungswerk Sulz: the New Frontiers of Bulk Cataphoresis With the DELTA-eLACKÂŽ Process Alessia Venturi ipcmÂŽ
C
orrosion is a widespread and burdensome
damaged components and machine downtimes
technologies is cathodic immersion coating, i.e.
problem that affects the steel components
are other issues that are very difficult to solve.
cataphoresis. For many years, this has been one
used in several industrial sectors such as
However, significant savings can be achieved
of the most commonly used methods in several
automotive, construction and aerospace, which
by applying corrosion-resistant coatings on
industries, especially the car one, to protect
coat their metal surfaces precisely to protect
components. By applying suitable coatings
metal parts against corrosion. This technology
them from corrosion as well as to improve their
on metal surfaces, it is possible to significantly
is typically used to coat large-sized workpieces
aesthetic properties (ref. Opening photo).
improve the service life of components and thus
such as car bodies, truck cabins, and agricultural
In industrialised countries, the estimated annual
reduce downtimes and repair or replacement
machinery, but also smaller components such
expenditure to counter corrosion accounts for
costs.
as finned batteries, pulleys, industrial fans,
around 4% of the GDP. The costs for replacing
One of the most common corrosion prevention
industrial furniture, and many more.
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N. 49 - JANUARY/FEBRUARY 2018 - international PAINT&COATING magazine