Hi-Mar LB-4087 Silica / Silicone Hi-Mar Specialties Defoamer / Antifoaming agent >> Silicone Acrylic/Acrylate Resins Alkyd Resins Epoxy Resins Polyurethane General Industrial /Maintenance Dispersible in water Hi-Mar LB-4087 Organic/ Reacted Silica/ Silicone Defoamer 100% Acrylic Styrene/ Acrylic W/R Alkd W/R Alkd/ Urethane W/R Epoxy Industrial Maintenance Coatings Traffic Paint Organic, reacted silica/silicone defoamer. Used for 100% acrylic, styrene/acrylic, alkyd, alkyd/urethane, epoxy and industrial maintenance coatings and in traffic paints.