Chemically Stable Functional Filler/ Extender offers optimum purity and brightness. Functional Filler/ Extender is chemically stable and highly temperature resistant in nature. Functional Filler/ Extender exhibits high density and low Mohs hardness. Functional Filler/ Extender is used in plastics industry and also in the field of paints and coatings. Chemically Stable Functional Filler/ Extender is also used as weighting elements for vertical-slat curtains and for noise reduction in piping systems.