1. Chemical Properties:
Chemical composition | Data |
Whiteness ≥ | 80-100% |
Dust, mm2/g≤ | 0.4-1 |
CaCO3 ≤ | 1%-4% |
Size(Fineness) | 325-5000mesh |
PH | 7-9.5 |
Moisture ≤ | 0.50% |
L.O.I. (800oC)≤ | 6%-22% |
Abrasion Degree | 80-100 |
SiO2 | 35-62% |
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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