· Industrial light Calcium carbonate series
· Industrial active light Calcium carbonate series
· Industrial microfine (active) light Calcium carbonate series
· Nano Calcium Carbonate series
· Baiyanhua series
· Ground Calcium Carbonate series
· Superfine Ground Calcium Carbonate series
· Active Ground Calcium Carbonate series
· Wollastonite powder series
· Needle-like wollastonite series
· Dolomite powder series
· New multi-functional plastic agent series
· Calcium oxide series
· Calcium hydroxide series
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Products
Wollastonite powder
Chemical name: staple wollastonite
Molecular formula: CaSiO3
Properties: wollastonite is a kind of silicate mineral containing calcium, white. Crystal structure is small granular.
Uses: Mainly used in ceramic, paint, paper, plastic, rubber industry, etc.
Packing: Composite plastic woven bag, 25KG/bag
| Index Item | Internal control Index | |||||
| GR-501 | GR-503 | GR-505 | GR-506 | GR-509 | ||
| Silica % ≥ | 46 | 46 | 47 | 47 | 47 | |
| Calcium oxide % ≥ | 49 | 49 | 48 | 48 | 48 | |
| Ferric oxide % ≤ | 0.25 | 0.25 | 0.20 | 0.20 | 0.20 | |
| Magnesia % ≤ | 0.9 | 0.9 | 0.8 | 0.8 | 0.8 | |
| Aluminium oxide % ≤ | 0.13 | 0.13 | 0.12 | 0.12 | 0.12 | |
| Moisture% ≤ | 0.30 | 0.30 | 0.35 | 0.35 | 0.35 | |
| Whiteness % ≥ | 91 | 92 | 93 | 93 | 93 | |
| D50 (μm) | 20 | 15 | 8 | 5 | 2 | |
| Residue on sieve of 325mesh %≤ | 0.3 | 0.1 | 0.05 | 0.01 | __ | |
| PH value (10% suspension) | 9 | 9 | 9 | 9 | 9 | |
| Loss on ignition % | 3 | 3 | 3 | 3 | 3 | |