Chemical Name: Activated Precipitated Calcium Carbonate

Molecular formula: CaCO₃

Property: White fine powder, particle surface covered by active substance, high dispersibility for organic polymers. Uses: Activated light calcium carbonate is used as filler in rubber and coating. The purpose of filling is to improve processing and reduce costs. Packing: Composite plastic woven bag, 25KG/bag  

Index Item		HG/T2567-2006
		First grade	Qualified product
CaCO3 ≥		96.0	95.0
PH value		8.0-10.0	8.0-11.0
Volatile content at 105°C % ≤		0.40	0.60
Content of insoluble substances in hydrochloric acid % ≤		0.15	0.30
Residue on sieve	75μm test sieve % ≤	0.005	0.01
	45μm test sieve % ≤	0.2	0.3
Fe % ≤		0.08	0.08
Mn % ≤		0.006	0.008
Whiteness ≥		92.0	90.0
Oil absorption value g/100g ≤		60	70
Activation % ≥		96	90

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