Silwet L-7280 Surfactant Organosilicone Crompton-OSI Specialties Surfactants Surfactants >> Silicone based Silwet® L-7280 Surfactant Surfactant, specialty OSi Specialties Product Description: Highly compatible organosilicone surface tension reducing agent with super-wetting and moderate foaming properties. Highly compatible organosilicone. Used as a surface tension reducing agent. Possesses super-wetting and moderate foaming properties.