Calcium carbonate is a kind of inorganic compounds, commonly known as: grey stone mestone, limestone, marble, etc.
Main ingredients: calcite.
Basically does not dissolve in water, soluble in hydrochloric acid.
Calcium carbonate is an important building material, industrial useage in a wide range
Calcium carbonate is divided into: light calcium carbonate, heavy calcium carbonate, ash calcium powder, etc

Specification
General light WR-101 | PVC
WR-102 | Medical fermentation WR-103 | General Active WR-104 | Plastic WR-105 | Heavy Active WR-106 | Nano Sized WR-107 | |
---|---|---|---|---|---|---|---|
CaCO3 % | ≥98 | ≥98 | ≥98 | ≥96 | ≥97 | ≥96 | ≥97 |
PH≤ | 9.5-10 | 9.5-10 | — | 9.0-9.5 | 9.0-9.5 | ≤9.0 | 9.0-9.5 |
crystal form | calcspar | calcspar | calcspar | calcspar | calcspar | calcspar | |
Screenings 325mesh | ≤0.1% | ≤0.1% | ≤0.1% | ≤0.1% | ≤0.1% | ≤0.3% | — |
Sedimentation volume ml/g | 2.4-2.8 | 2.4-2.8 | 2.4-2.8 | 2.4-2.8 | 2.8 | — | — |
Insoluble in HCL | ≤0.1% | ≤0.1% | ≤0.1% | ≤0.1% | ≤0.1% | ≤0.1% | ≤0.1% |
Moisture content | ≤0.4% | ≤0.4% | ≤0.4% | ≤0.1% | ≤0.4% | ≤0.2% | ≤0.3% |
whiteness | ≥94.5 | ≥94.5 | ≥92 | ≥93 | ≥95 | ≥90 | ≥94 |
activation grade | — | — | — | 98.5% | — | 98.5% | — |
Application
- PVC
- Pigment
- Paint
- Rubber
- Food
- Building
- Paper
- Feed
Packing
- 25kg,50kg woven bag with PE inner bag
- 1 ton jumbo bag