non-metallic mineral mica
100 mesh Powder Shape Mica,Muscovite Mica
Features of Mica
- Insulation
- High temperature resistant
- Lustrous appearance
- Stable physical and chemical property
- Excellent elasticity and toughness
Chemical Compositon :
The chemical equation:KAI2(Si3AIO10)(OH.F)2
Chemical | SiO2 | Al2O3 | K2O | Na2O | MgO | Fe2O3 | Ti0 | S+P | CaO | H2O |
Name | Silicon | Aluminium | Potassium | Sodium | Magnesium | lron | Lilanium | Sulphur + calcium | Calcium | Hydrogen |
Content(%) | 44-50 | 20-33 | 9-11 | 0.6-1.8 | 0.32-2 | 2-6 | 0.7-1.2 | 0.02-0.05 | 0.02-0.77 | 2.62 |
Physical Property:
Proprotion | Index of | Brightness | Moisture | Sand | Thickness | Heat | Loss in | PH | Oil | Vickers | transparency | elastic coefficient 106 Pa |
280 | 1.6 | 45°-75° | ↓ 1% | 1% | 60 | ↑1000°C | 2.8-3% | 7-8 | 48-500g/100g | 2.5-4 | 71.7-87.5 | 1475.9-2092.7 (15050-21340 kg/cm2) |
Usage of Mica
Grade | Sieve size (mesh) | Typical uses |
Coarse flakes | 6 | Oil well drilling, artificial snow |
Mid-coarse flakes | 10 | Christmas ornaments, display material |
Fine-coarse flakes | 16 | Concrete block fillers, refractory bricks, gypsum wallboards |
Coarse-fine powder | 30 | Metal annealing, absorbent in explosives, disinfectants, automotive components |
Mid-fine powder | 60 | Welding electrodes, cables, foundry works, pipeline enamels, lubricants, adhesives |
Fine powder | 100 | Texture paints, acoustical plaster, ceiling tiles |
Superfine powder | 325 | Paints, plastics, ruber products, paper, cosmetics
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