sell : 800 mesh/1250mesh/ground calcium carbonate

1) Specifcation CaCO3 % ≥ 97 Whiteness ≥ 93 Moisture and Volatile,% ≤ 0.5 Insoluble substance in hydrochloric acid% ≤ 0.3 Fe,% ≤ 0.1 hardness ≤ 3.5 PH 8.0-9.0 Residue: 45um mesh test sieve,% ≤ 0.02 2)Usage: Filler of foamed plastic such as EVA,Polyolefin,Polystyrene,Polyurethane. 3)Characteristic: 1) Identical grain size ,low oil absorption value 2) To reduce the cost of products, to make products have good foamed effect 3)To enhance hardness,rigidity,size stability,fire-retardantness,glossiness of products