Schwego Foam 8325 - Defoaming agent for emulsions free of VOC. Composition: Mixture of hydrocarbons Properties: Schwego Foam 8325 is a liquid, very effective defoaming agent for all emulsion paints and particularly for those based on styrene/butadiene latex and acrylic copolymers. Schwego Foam 8325 is readily emulsifiable in water and is free from silicones.