Product description: BREAK-THRU® AF 9902 is an antifoam concentrate based on organo-modified siloxanes. Application: BREAK-THRU® AF 9902 is not water soluble or dispersible and can only be formulated with surfactants that do not form micelles. It is designed to provide a higher degree of compatibility than traditional silicone oils. Application rates vary significantly because if the wide variety of formulations. A good starting range in many cases is a concentration from 0.5 to 1 %. Information provided by Evonik |