China 400600mesh Heavy Calcium Carbonate, mesh Light ...
Calcium Carbonate Heavy Type/Light Type, Grade Standard, Industrial Grade, Einecs No., Mf, CaCO3, Color, White Powder, Features, as The Filler of Rubber, Plastic, Detergent, etc, Quality, High Whiteness, Good Fineness, High Purity, Packing Way, PP Woven Bag, Transport Package, 25kgs/PP Woven Bag, Specification, 25bags bag, Trademark,