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Specifications
1.Molecular Formula: H2Mg3O12Si42.Size: 200-5000mesh
3.Used in medical 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.
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1.Chemical Composition:
| Chemical composition | Data |
| Whiteness?≥ | 80-92% |
| 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 | 30-62% |
| 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 And Main Applications:
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.
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| Main Application |
| Food industry |
Cosmetics(Face, baby powder, body powder) |
| Plastic industry |
| Rubber |
| Paintings |
| coatings |
| Ceramic |
| Pharmaceutical |
| Paper-making, etc |
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