Quzhou Jinniu Calcium Carbonate Co.,Ltd.
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Products

  • Industrial precipitated calcium carbonate
  • Active precipitated calcium carbonate
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Industrial precipitated calcium carbonate

Our company's industrial precipitated calcium carbonate(light calcium carbonate) is produced according to HG/T2226-2000 standard. The specifications are as the following:

Item
Index
National industrial standard
Enterprise standard
Calcium carbonate(CaCO3) (based on dry basis) % ≥
97.0
98.0
PH value(10% suspension)
9.0-10.5
9.0-10.0
Volatile matter below 105°C% ≤
0.70
0.20
Insoluble substance in hydrochloric acid % ≤
0.20
0.20
Settling volume ml/g ≥
2.6
2.6-3.0
Iron(Fe) % ≤
0.10
0.10
Manganese(Mn) % ≤
0.008
0.008
Residue on sieve: 125µm test sieve% ≤
45µm test sieve% ≤
0.010
0.40
0.010
0.15
Whiteness.drgess ≥
90.0
94.0
Water-soluble substance % ≤
 
0.2
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