... Purity:98% white:95 Powder:100-2500mesh For paint,coating,rubber specification: Specification Calcium Carbonate for pipeCaCO3 content (Dry basis), % ≥98PH( ... in the feed 250-300mesh: whitewash the wall,plastic,rubber,waterproof material 350-400mesh:gusset plate,chemical, ... 600mesh:toothpaste and soap 800mesh:rubber,pvc,plastic,electric cable 1250mesh:pvc,PE,coating,papermaking calcium carbonate powder