在線聊天
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?Black mica for sale supplier ?: ?
Features of black mica:
1.??Insulation? ? ??
2.??High temperature resistant? ? ?
3.??Lustrous appearance
4.??Stable physical and chemical property
5.??Good heat insulation,?elasticity?and?toughness
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Type of Mica?
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- 1.? Muscovite mica: mica powder and mica flakes
2.? Other mica: phlogopite mica, black mica, colored mica?
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Specification of Mica
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| ???Item | ?20 mesh | ?40 mesh | ?60 mesh | ?100 mesh | |||||
| ?Particle Distribution | ?(Mesh)? | ?(%) | ?(Mesh)? | ?(%) | ?(Mesh)? | ?(%) | ?(Mesh)? | ?(%) | |
| ?+20 | ?<5 | ?+40 | ?/ | ?+60 | ?/ | ?+100 | ?/ | ||
| ?20-40 | ?70±5 | ?40-60 | ?60±5 | ?60-100 | ?55±5 | ?100-200 | ?35±5 | ||
| ?40-60 | ?25±5 | ?60-100 | ?35±5 | ?100-200 | ?40±5 | ?200-325 | ?25±5 | ||
| ?60-100 | ?<10 | ?100-200 | ?<10 | ?200-325 | ?<5 | ?-325 | ?<45 | ||
| ?-100 | ?<5 | ?-200 | ?/ | ?-325 | ?/ | ?/ | ?/ | ||
| ?Moisture | ?≤0.5% | ?≤0.5% | ?≤0.5% | ?≤0.5% | |||||
| ?Sand Content | ≤1.0% | ≤1.0% | ≤1.0% | ≤2.5%? | |||||
| Note: Other sizes could be produced as requested, such as 1-3mm,3-5mm, 15mesh, 200 mesh, 325 mesh etc. | |||||||||
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Use of Mica
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| Painting and coating? | Rubber |
| Pearl pigment? | Electric welding rod? |
| Building materials industries | Plastics |
| Papermaking | Fire extinguishing agent |
| Asphalt paper? | Electric insulation |
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Chemical Composition
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| Element? | SiO2 | Al2O3 | Fe2O3? | K2O | Na2O | MgO | CaO? | LOI |
| Content(%) | 44.3? | 31.21? | 5.74 | 10.58 | 1.17 | 0.62 | 0.57 | 4.9? |
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Physical Property?
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| Diameter-thickness Ratio | Whiteness | Refractive Index? | PH Value |
| 1:30? | 50-70? | 1.58? | 6.5-7.5 |
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