ground calcium carbonate in construction
Minimum Order: 0
Quality/Safety Certification: 0.00
ground calcium carbonate in construction
1.CaCO3 contents: 98%
2.Moisture : <0.2%
3.Size(mesh): 200
ground calcium carbonate in construction
1.useage: Paint, Dope, Rubber, PVC pipe, Paper making etc as stuff materials
2.specification:
| item | super class | up to standard | our product |
| CaCO3 contents % ≥ | 98 | 97 | 98-98.6 |
| PH value | 9.0-10.0 | 9.0-10.5 | 9.0-10.0 |
| Hydrochloric acid insoluble % ≤ | 0.1 | 0.3 | 0.08-0.10 |
| 105°C volatile matter content | 0.4 | 1 | 0.35-0.20 |
| Fe2O3 contents % ≤ | 0.08 | 0.12 | 0.08 |
| Manganese content % | 0.006 | 0.01 | 0.005 |
| Sedimentation (ml/g) ≥ | 2.8 | 2.4 | 2.4-3.6 |
| Screenings 125um,%≤ | 0.005 | 0.015 | 0.003-0.002 |
| Screenings 45um,%≤ | 0.3 | 0.5 | 0.10-0.28 |
| Whiteness≥ | 90 | 95-96 | |
| Water solubles % ≤ | 0.2 | 0.10-0.15 |
3.size:325mesh 400mesh 600mesh 800mesh 1000mesh 1250mesh
1500mesh etc.
4.the size and useage:
inside 200mesh: as the additive in the feed
250-300mesh: whitewash the wall,plastic,rubber,waterproof material
350-400mesh:gusset plate,chemical,pipe
400-600mesh:toothpaste and soap
800mesh:rubber,pvc,plastic,electric cable
1250mesh:pvc,PE,coating,papermaking.
