- Functions:Defoamer
- End Uses:Metalworking Fluids
- Chemical Family:Siloxanes
- Features:Good Surface Finish
FOAM BAN® 4940 is a 3-dimensional siloxane compound defoamer emulsified in water for optimum efficiency and dispersibility in aqueous industrial fluids. It is mainly designed as an optimum tank-side defoamer that provides both fast initial foam knockdown, as well as longterm defoaming persistence.