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1. mica powder / flake characteristics
a. Mica is a kind of rock-forming minerals. Its form is platelike or flaky.The colour is variable with the differences of chemical composition.
b.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.
c.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.
2. Wet Ground muscovite Mica Powder/ flake
Size | Over Sieve % | Sand % | Loose Density | Water | Lost | Whiteness | Dia-thick Ratio |
120µm/ 120mesh | 250µm<0.1 125µm<5.0 | ≤1.0 | ≤0.25 | ≤1 | ≤4.3 | >70 | >70 |
90µm/ 160mesh | 180µm<0.1 90µm<5.0 | ≤1.0 | ≤0.25 | ≤1 | ≤4.3 | >70 | >70 |
75µm/ 200mesh | 150µm<0.1 75µm<5.0 | ≤0.5 | ≤0.23 | ≤1 | ≤4.3 | >70 | >70 |
45µm/ 325mesh | 112µm<0.1 45µm<5.0 | ≤0.5 | ≤0.23 | ≤1 | ≤4.3 | >70 | >70 |
38µm/ 400mesh | 75µm<0.1 38µm<10.0 | ≤0.5 | ≤0.23 | ≤1 | ≤4.3 | >70 | >70 |
3. Dry Ground muscovite Mica Powder/ flake
Size | 900µm/ 20 mesh | 450µm/ 40 mesh | 300µm/ 60 mesh | 150µm/ 100 mesh | 75µm/ 200 mesh | 45µm/ 325 mesh | 35µm/ 400 mesh | 28µm/ 500 mesh | 23µm/ 600 mesh | 18µm/ 800 mesh |
Over Sieve% | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤5.0 | ≤5.0 | ≤5.0 | ≤5.0 | ≤10.0 | ≤10.0 |
Fe ppm | ≤400 | ≤400 | ≤800 | ≤800 | ≤800 | ≤400 | ≤400 | ≤300 | ≤300 | ≤300 |
Sand | ≤0.5 | ≤0.5 | ≤1.0 | ≤1.0 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 |
Loose Density | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.25 | ≤0.25 | ≤0.22 | ≤0.22 | ≤0.22 | ≤0.22 |
Water | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 |
Whiteness | >60 | >60 | >60 | >60 | >60 | >60 | >65 | >65 | >65 | >65 |
Dia-Thick- ness Ratio | >60 | >60 | >60 | >60 | >60 | >60 | >60 | >60 | >60 | >60 |
4.mica flake/ powderPictures
