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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: Heavy calcium carbonate
Molecular formula: CaCO3
Properties: White powder, odorless, tasteless, stable in air, hard to absorb water, almost insoluble in hydrated alcohol, slightly soluble in water containing ammonium salts and carbon dioxide, soluble in acidic aqueous solution.
Uses: Heavy calcium carbonate is mainly used as a filler in plastics, coatings, rubber, household chemicals and construction industries.
Packing: Composite plastic woven bag 25KG/bag
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Index Item |
Product specification |
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|
GR-601 |
GR-603 |
GR-605 |
GR-606 |
GR-608 |
GR-609 |
GR-610 |
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|
Content of calcium carbonate (CaCO3)% ≥ |
98 |
98 |
98 |
98.8 |
98.8 |
98.8 |
98.8 |
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|
Fe2O3 % ≤ |
0.02 |
0.02 |
0.02 |
0.02 |
0.02 |
0.02 |
0.02 |
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|
Silica (SiO2)% ≤ |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
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|
Particle size |
D50 (μm) |
13 |
6 |
4 |
3 |
2.5 |
1.5 |
1 |
|
|
D97 (μm) |
45 |
16 |
10 |
8 |
6 |
4.5 |
4 |
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|
325 mesh residue % |
2 |
0.15 |
0.05 |
0.001 |
-- |
-- |
-- |
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|
Whiteness% ≥ |
95 |
95 |
95 |
95 |
96 |
96 |
96 |
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|
Water content ≤ |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
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|
Loss on ignition (LOS)% |
43.5 |
43.5 |
43.5 |
43.5 |
43.5 |
43.5 |
43.5 |
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|
True specific gravity |
2.7 |
2.7 |
2.7 |
2.7 |
2.7 |
2.7 |
2.7 |
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|
False specific gravity |
0.8~1.35 |
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PH value |
9±0.5 |
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