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1.Chemical property:
Chemical | SiO2 | Al2O3 | K2O | Na2O | MgO | Fe2O3 | TiO2 | S+P | CaO | |
Name | Silicon dioxide | Aluminium | Potassium oxide | Sodium oxide | Magnesium | Iron | Lilanium | Sulphur+ | Calcium | |
Content(%) | 46.05% | 31.56% | 10.10% | 0.59% | 0.67% | 4.91% | 0.7-1.2 | 0.02-0.05 | 0.18% |
2. Physical Properties:
Proportion(kg/m³) | Index of refraction | Brightness | Moisture | Sand | Thickness | Heat Resistance | Loss in heating | PH | Oil absorptivity | Vickers hardness | |
750 | 1.6 | 45°-75° | less than 1% | 0.4-2% | 60 | More than1000°C | 2.8-3% | 7.0-8.0 | 48-500/100g | 2.5-4 |
3.Mica's main advantages are insulativity and heat resistance, which are perfect:
1). If mica's thickness reaches 0.015mm, its average breakdown voltage would be 2.0—5.7kV, puncture strength would be 133- 407KV/mm.
2). When mica is heated by temperature of 100-600°C, its elasticity and surface properties will not change.
4.Main Application:
(1) Used in decorating, paint and coating.
(2) Mica powder is the basic raw material for mica ceramics products.
(3) It can be used in fire-fighting dry powder, protecting layer of welding rods, conducting wires and electric cables.
(4)It can be taken as a filler, shelter, lubricating substance, drawing of patterns in plastics, rubber, asbestos products and sealing materials. It can also be used as a filler in degreasing agent of cosmetics, in insulating materials of high-frequent electric waves and acid-durable products. It can be used as coating in models of forcasting metal, the brightening material in aluminium and paint in electroplating bath.
| Main Application | Pearlescent pigment |
| Cosmetics | |
| Rubber | |
| Electric insulation | |
| Coatings | |
| Painting | |
| Plastics | |
| Extinguishant | |
| Fire control | |
| Building m |
