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?????????????????????????????????????mica powder ?specification
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Mica?is?a?kind?of?rock-forming?minerals.?Its?form?is?platelike?or?flaky.The?colour?is?variable?with?the?differences?of?chemical?composition.?Mainly?Fe?content?increase?will?make?the?colour?be?darker.?The?characteristics?of?mica?contains:?insulation,high?temperature?resistant,lustrous?appearance,?stable?physical?and?chemical?property,good?heat?insulation,?excellent?elasticity?and?high?toughness?etc.?Muscovite?is?used?in?industry?mostly,?the?second?is?phlogopite.Mica?is?used?widely?in?building?materials?industries,?fire-fighting?industries,?fire?extinguishing?agent,?electric?welding?rod,?plastics,?electric?insulation,?papermaking,?asphalt?paper,rubber,pearl?pigment?etc.
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Dry Ground Mica Powder
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Size | Particle Distribution | Fe/ ×10-6 ≤ | Sand/ % ≤ | Loose density /(g/cm3) ≤ | Moisture / % ≤ | Whiteness / % ≤ | ||||||||
900μm 20mesh | μm | +900 | +450 | +300 | -300 | 400 | 1.0 | 0.36 | 1.0 | 45 | ||||
% | 2 | 65±5 | 25±5 | 10 | ||||||||||
450μm 40 mesh | μm | +450 | +300 | +150 | -150 | |||||||||
% | 2 | 45±5 | 45±5 | 10 | ||||||||||
300μm 60mesh | μm | +300 | +150 | +75 | -75 | 800 | 1.5 | 50 | ||||||
% | 2 | 50±5 | 40±5 | 10 | ||||||||||
150μm 100mesh | μm | +150 | +75 | +45 | -45 | |||||||||
% | 2 | 40±5 | 30±5 | 30 | ||||||||||
75μm 200 | μm | +75 | - | 400 | 1.0 | 0.34 | ||||||||
% | 2 | |||||||||||||
45μm 325mesh | μm | +45 | - | |||||||||||
% | 2 | |||||||||||||
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Wet Ground Mica Powder
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Size | Residue on sieve /% | Sand/ % ≤ | LOI/ % ≤ | Loose density /(g/cm3) ≤ | Moisture / % ≤ | Whiteness / % ≥ |
38μm 400mesh | 78μm ≤0.1 38μm ≤10 | 0.5 | 5.0 | 0.25 | 1.0 | 70 |
45μm 325mesh | 112μm ≤0.1 45μm ≤10 | 5.0 | 1.0 | 70 | ||
75μm 200mesh | 150μm ≤0.1 75μm ≤10 | 0.6 | 5.0 | 0.28 | 1.0 | 65 |
90μm 160 mesh | 180μm ≤0.1 90μm ≤10 | 1.0 | 5.0 | 0.28 | 1.0 | 65 |
125μm 120 mesh | 250μm ≤0.1 125μm ≤10 | 5.0 | 0.30 | 1.0 | 65 |
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2. Chemical analysis
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Element | SiO2 | Al2O3? | K2O | Fe2O3 | CaO | Na2O | MgO | H2O |
Content% | 44~50 | 20~33 | 9~11 | 2~6 | 0.02~0.77 | 0.6~1.8 | 0.3-2 | 2-3 |
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3.mica powder Applications:
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It can be used in cosmetic industry. |
It is prior filler in paint and coating. |
It is applied in protecting layer of welding rods, conducting wires and electric cables. |
It is the basic raw material for mica porcelain products. |
It can be used as suspended substance in fire-fighting dry powder. |
It can be taken as filler, shelter, lubricating substance, a drawing of patterns in plastics, rubber, asbestos products and sealing materials. |
It can also be used as filler in insulating materials of high-frequent electric waves and acid-durable products. |
It can be used as coating in models of forecasting metal, the brightening material in aluminum and paint in electroplating. |
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4.mica powder/ sheet pictures
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