Quzhou Jinniu Calcium Carbonate Co.,Ltd.
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Products

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

Our company's active precipitated calcium carbonate is produced according with HG/T2567-94 standard. The specifications are as the following:

Item
Index
National industrial standard
Enterprise standard
Main content(based on CaCO3),% ≥
96.0
98.0
PH
8.0-10.5
8.0-9.0
Volatile matter below 105°C% ≤
0.50
0.20
Insoluble substance in hydrochloric acid % ≤
0.20
0.15
Residue on sieve 125µm test sieve ≤
45µm test sieve ≤
0.010

0.30
0.010

0.15
Iron(Fe) % ≤
0.10
0.10
Manganese(Mn) % ≤
0.006
0.005
Whiteness.degree ≥
90.0
94.0
Oil absorption number % ≤
70
55.0
Activation grade % ≥
95
98
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