... , paint, rubber, etc 3,Size:325-1250mesh Calcium Carbonate Calcium Carbonate selects high purity limestone as raw material, is ... small DETAILING PRODUCTS: Chemical & Physical Analysis: Heavy Calcium Carbonate Quality Index itemswhiteness(%)oil absorption(ml/100g)moisture(%) ... ,size ,stability,fire-retardantness,glossiness of products4) Calcium carbonate is used for highpolymer material to improve the ...