PP CaCO3 Filler masterbatch contains mainly CaCO3 Calcium Carbonate powder, resin PP and some additives. CaCO3 made natural mineral calcite with high pure over 99 %, high whiteness > 96 %. This product used to replace one of part virgin resin, from that help save cost for the end product and improved some properties such as: whiteness, hardness, strength. Injection molding is a method of plastic formation including 2 phases: extruding melted plastic and pressing it into mould for fixed forms. Common applications Garden Furniture Office Material Household Electrical Appliances, etc.