1.CaCO3 contents: 98%min 2.Size(mesh): 325 1250 etc 3.whiteness:93min 4.Used for plastic,rubber,chemical,papermaking etc. Limestone Powder and lump for cable Application: 200mesh: as the additive in the feed 250-300mesh: whitewash the wall,plastic,rubber,waterproof material 350-400mesh:gusset plate,chemical,pipe 400-600mesh:toothpaste and soap 800mesh:rubber,pvc,plastic,electric cable 1250mesh: ...