Chat online
Specifications
1.Molecular Formula: H2Mg3O12Si42.Size: 200-5000mesh
3.Used in rubber industry
4.Whiteness:78% to 92%
5.20/25kg packing
?
Our talc powder?is extracted from our mines, wich?contains no asbestos or other harmful contaminants.
Raw materials?is sorted by hand, cleaned, dried, and sterilized with ultra-violet light.
?
Finished products are benign, odorless, extremely soft and has excellent dispersibility.
?
?
1.?Chemical Properties:
| Chemical composition | Data |
| Whiteness?≥ | 80-100% |
| Dust,?mm2/g≤ | 0.4-1 |
| CaCO3??≤ | 1%-4% |
| Acid-soluble?iron | 0.2-0.5 |
| PH | 7-9.5 |
| Moisture?≤ | 0.50% |
| L.O.I.?(800oC)≤ | 6%-22% |
| Abrasion?Degree | 80-100 |
| SiO2 | 30-61% |
| MgO | 25-32% |
| Fe2O3 | ≤0.1% |
| CaO | ≤0.5% |
| Al2O3 | ≤0.2% |
| Density (g/cm3) | 2.6-2.8 |
| Oil?absorption?capacity? | 20.0-50.0 |
| Pass?rate(45μm)??≥ | 98% |
?
2. Physical Properties:?
Talc powder has properties of lubricity, viscous resistance, flowing boosting, fire resistance, acidoresistance, insulativity, high melting point, inactive der chemismus, good covering power, soft, good shining, good adsorptivity. It can be used in industries of food, rubber, painting, ceramics, cosmetic, pharmaceutical, paper-making, etc.
?
?
Alibaba Certificate:
?
My mobile: 86 13722996216
