TECHNICAL DATA SHEET Polymeric defoamer D535R Description D-535R is polymeric antifoaming agent with excellent compatibility. It special designed for the epoxy system, unsaturation polyester system. Physics and Chemical Properties Ingredient:vinyl copolymer Appearance: Light yellow transparent liquid Content:25% Solvent:paraffin Specialty D-535R is special suitable for unsaturated polyester system and epoxy pouring sealant system, solvent system, two-pack PU system.