... 1250 etc 3.whiteness:93min 4.Used for plastic,rubber,chemical,papermaking etc. Limestone Powder,building materials Application: 200mesh: as the additive ... 800mesh:rubber,pvc,plastic,electric cable 1250mesh:pvc,PE,coating,papermaking Properties:1.process:selects high purity limestone as raw material, is made ... .4400MESH940.3980.30.4325MESH940.4980.30.4 E07109, Limestone Powder, building material