1) ISO 9001:2008 Certified company 2) Purity: 94%min 3)400mesh, 800mesh, 1250mesh 4)Calcium Carbonate Calcium carbonate (limestone)is used in injection mould, extrusion & injecting mould, PVC profile & pipe, FRP etc.Suitable for the modification of PVC, PP, PE, ABS and HIPS. Fillers of Paint,Print ink,Plastic,Rubber,Adhesives,Pharmacy,Fodder,Paper-making,polyethylene(PE),polypropylene(PP),ABS, ...