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Patented Surface-Active Silicone Acrylate Copolymer for Solvent-borne Systems

Published on 2009-10-22. Author : SpecialChem

BYK®-3550 leads to a strong reduction of the surface tension of the paint system. Therefore, it improves the substrate wetting and prevents cratering.

Depending on the polarity of the system, BYK®-3550 shows different properties. In polar systems the additive shows an excellent compatibility in the coating, which leads to a homogeneous distribution in the film.

In non-polar coatings BYK®-3550 has a slight incompatibility and a higher concentration at the surface.

Source: Altana

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