... etc. Limestone Powder and lump, additive in the feed 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 ... .4325MESH940.4980.30.4 F-0172, Limestone Powder and Lump,additive in the feed