Products

 

Industrial microfine (active) light Calcium carbonate series

 

Chemical name: Calcium carbonate

Molecular formula: CaCO₃

Properties: light Calcium carbonate with small particle size, white powder, odorless, tasteless, Average size is 0.1-0.3 u m, big Specific surface area.

Uses: The Particle size of Superfine light Calcium carbonate are more fine & uniform than ordinary light Calcium carbonate, commonly used as the additive of emulsion and pulp; Superfine Active light Calcium carbonate now is widely used in rubber, resin, paint, ink, cosmetic industry, etc..

Packing: Composite plastic woven bag, 25KG/bag           

      

Index Item	HG/T 2776-2010
	Industrial microfine Precipitated Calcium carbonate		Industrial microfine active Precipitated Calcium carbonate
	Top grade	First grade	Top grade	First grade
Calcium carbonate(CaCO3) % ≥	98	97	95.0	94.0
PH value	8-10	8-10	8-10	8-10
Volatile below 105°C % ≤	0.4	0.6	0.3	0.5
Insoluble matter in hydrochloric acid % ≤	0.1	0.2	0.1	0.2
Fe % ≤	0.05	0.08	0.05	0.08
Whiteness ≥	94	92	94	92
Oil absorption /(g/100g) ≤	100		70
Black spots/(p/g) ≤	5
Bulk density (g/cm3)	0.3-0.5
Specific surface area /(m2/g) ≥	12	6	12	6
Average size	0.1-1.0	1.0-3.0	0.1-1.0	1.0-3.0