calcium carbonate

Product details :

It is white power ,insoluble in water ,dissolvable in acid and widely used in dope  paint  plastic   rubber  pottery  and porcelain ,paper making and ect as the filling materials .

 

Specification :

calcium carbonate (CaCO3) content  ≥ 98%

      

Iron content   (Fe) ≤0.1%

 

Muriatic acid insolubles content ≤0.2%

 

Moisture and volatile content ≤0.3%

 

Density  (g/cm3)   ≤2.9

 

Whiteness （degree）      ≥94.0

 

Oil absorption  (ml/g)  16-25

 

Ph    8-9

Heavy metal（Pb）%≤0.001