1 Calcium Carbonate PVC Filler 2 Keep surface smooth 3 Keep stability ... resistance to infrared ray. It now is the best filler in silicon-containing fillers.2. Technical indexes Appearancewhite ... and thermosetting plastic and rubber, including epoxy resin, unsaturated polyester, PE, PP, PVC, PS. With such advantages as ... stability. it enjoys broad applications. Calcium Carbonate PVC Filler Powder