BYK - silicone defoamers

without curtain tears on the curtain coater. The economical silicone defoamers BYK‑1610 and BYK‑1615 were developed specifically for emulsion paints in the…

BYK - polymer defoamers

. An equally effective polymer defoamer is BYK‑016 , which is suitable for various applications with food contact. BYK‑1640 [...] polymers can be adapted…

BYK - mineral oil defoamers

03 Mineral oil defoamers BYK-03X is the name for the family of BYK mineral oil defoamers. Mineral oil defoamers

BYK ebook for rheology additives

BYK - what is foam?

01 What is foam? Foam is always unwanted in a coating. Foam can occur during the coating manufacture and results in the production vessels not being filled…

BYK - leveling and surface flow control

08 Leveling Leveling The formation of Bénard cells also leads, in many cases, to paint surfaces that are not uniformly smooth; rather, pronounced deformation or…

BYK - improving cleanability of coatings

improve cleanability. Such a special additive for solvent-borne coating systems is BYK‑SILCLEAN 3700 . It is a hydroxy-functional silicone-modified polyacrylate…

BYK - How to prevent cratering

09 Preventing cratering Preventing cratering The causes of cratering are diverse. Cratering can occur, for example, from overspray: if fine spray droplets of an…

BYK - substrate wetting

06 Substrate wetting Substrate wetting Substrate wetting primarily depends on the surface tension of the liquid coating material and the critical surface…

BYK - how to improve surface slip

10 Surface slip Surface slip Silicone additives improve the surface slip properties of coatings. Often, however, it is not the slip itself but rather the…

BYK - floating, leveling, and air draft sensitivity

07 Floating Floating, leveling problems, and air draft sensitivity Solvents evaporating from a coating film cause vortex flows in the respective film. These…

BYK ebook - the chemical structure of polysiloxanes

03 Chemical structure of polysiloxanes Silicone additives, often also referred to as “silicones,” can be used without understanding their basic underlying…