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- Nano calcium carbonate
- Precipitated light calcium carbonate
- Active Light calcium carbonate
- Superfine Light calcium carbonate
- Heavy calcium carbonate
- Superfine Active Heavy Silver carbonate
- Wet grinding calcium carbonate
- New multifunctional plastic agent
- Baiyanhua
- Needle-like wollastonite
- Superfine Wollastonite Powder
- Dolomite powder
- Calcium Oxide
- Calcium hydroxide
Chemical name: precipitated calcium carbonate
Molecular Formula: CaCO3
Properties: White powder, odorless, tasteless, non-toxic, light weight, stable in the air, slight moisture absorption.
Uses: Precipitated calcium carbonate is the most widely used inorganic pigment, used in a large number of rubber, paper, plastics, adhesives, paints, inks, daily necessities, cosmetics, drugs and feed.
Packing: Composite plastic woven bag 25KG/bag
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Index Item |
HG/T 2226-2010 |
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Rubber and plastics |
Coatings
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Papermaking |
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Top grade |
First grade |
Top grade |
First grade |
Top grade |
First grade |
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Calcium carbonate (CaCO 3 ) % ≥ |
98 |
97 |
98 |
97 |
98 |
97 |
|
|
PH value |
9-10 |
9-10.5 |
9-10 |
9-10.5 |
9-10 |
9-10.5 |
|
|
Volatile at 105 °C% ≤ |
0.4 |
0.5 |
0.4 |
0.6 |
1.0 |
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Insolubles in hydrochloric acid% ≤ |
0.1 |
0.2 |
0.1 |
0.2 |
0.1 |
0.2 |
|
|
Sediment Volume ml/g ≥ |
2.8 |
2.4 |
2.8 |
2.6 |
2.8 |
2.6 |
|
|
Iron (Fe)% ≤ |
0.05 |
0.08 |
0.05 |
0.08 |
0.05 |
0.08 |
|
|
Manganese (Mn)% ≤ |
0.005 |
0.008 |
0.006 |
0.008 |
0.006 |
0.008 |
|
|
Sieve residue |
125μm test sieve % ≤ |
Passed |
0.005 |
Passed |
0.005 |
Passed |
0.005 |
|
45μm test sieve % ≤ |
0.2 |
0.4 |
0.2 |
0.4 |
0.2 |
0.4 |
|
|
Whiteness ≥ |
94 |
92 |
95 |
93 |
94 |
92 |
|
|
Oil absorption (g/100)≤ |
80 |
100 |
-- |
-- |
-- |
-- |
|
|
Black point ≤ |
5 |
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