... .Used for plastic,rubber,chemical,papermaking 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 ... rubber,pvc,plastic,electric cable 1250mesh:pvc,PE,coating,papermaking Properties:1.process:selects high purity limestone as raw material ...