... :93min 4.Used for plastic,rubber,chemical,papermaking etc. Limestone Powder and lump for PVC Application: 200mesh: as the ... wall,plastic,rubber,waterproof material 350-400mesh:gusset plate,chemical,pipe 400-600mesh:toothpaste and soap 800mesh:rubber,pvc,plastic, ... electric cable 1250mesh:pvc,PE,coating,papermaking Properties:1.process: ...