Product description, Product introduction: The light calcium carbonate is made by limestone by the polarization method. The light calcium carbonate physical characters: mohs hardness is from 3 to 3.5, the density is from 1 g/cm3 to 1.5 g/cm3 and the color is white. Light calcium carbonate is mainly used in rubber, plastic, paper making, medicine, chemical,building materials and other industries. Used for friction materials, light calcium carbonate play a role of reinforcing, tensile filling, flame retardant, etc. The character of Light calcium carbonate: Light calcium carbonate is a kind of basic raw materials in chemical industry. It is widely used in rubber, plastic, papermaking, coating, medicine, health care and pesticide industries. Light calcium carbonate is an ideal chemical filler, the final product made by the filler of light calcium carbonate can be waterproof and insulating. Light calcium carbonate has the unique and high quality like Beautiful light, durable, smooth and clear. Light calcium carbonate can reduce production cost, improve quality, increase efficiency. Light calcium carbonate is a kind of ideal chemical filler,the finished product with filler of light calcium carbonate is of waterproof and insulating. Property: CaC03: 98.3% M: 0.08% Fe203: 0.04% PH value(10% slurry): 10.1 Sedimentation value: 2.83.6 g?cm3 Volatite matter at 105 (%)?0.24% grade: 200mesh,325mesh sieving rate: 97%