... content , ≤0.008Residue 125um % ≤0.008Residue 45μm %≤0.15 3.size:325mesh 400mesh 600mesh 800mesh 1000mesh 1250mesh 1500mesh,2000mesh,2500mesh ... :poison free,odour free,high purity,high heat stability,low oil absoption,good dispersibility.8.variety:light calcium carbonate,heavy calcium ... .9.advantage: it widely used into rubber, plastic, paper making, painting ink and so on.To reduce the cost of products ...