Byk -080 A Polysiloxane copolymer BYK Chemie Defoamer / Antifoaming agent >> Silicone Coatings >> Solventborne Coatings >> UV / Radiation Curing Coatings >> Waterborne Inks >> Solvent-based INKS Propylene glycol Byk® -080 A is a non-aqueous emulsions of a foam destroying polysiloxanes. It is used in paints, coatings and printing inks. Silicone defoamer to prevent formation of foam and bubbles during paint production and application. BYK®-080 A is used in amine neutralized water-soluble paints and in solvent-based coatings. Non-aqueous emulsions of a foam destroying polysiloxanes. Used in paints, coatings and printing inks. Prevents formation of foam and bubbles.