Muscovite
Chemical components
Chemical composition | SiO2 | Al2O3 | K2O | Fe2O3 | CaO | Na2O | MgO | H2O |
Contents(%) | 47.32 | 33.25 | 11.82 | 1.81 | 0.03 | 0.96 | 0.91 | 2.7 |
Physical properties
Density (g/m3) | Refractive index | Whiteness (%) | Moisture (%) | Radius-thickness ratio | Heat Resistance (° C) | L.O.I. (%) |
2.80 | 1.60 | 70-80 | <1 | >60 | 1300 | 2.82-2.9 |
mica powder
Wet mica powder physical and chemical indicators:
Size | Screen margin (%) | Sand Content (%) | Bulk density (g/cm3) | Water content (%) | Loss on Ignition (%) | Whiteness | Radius-thickness ratio |
125um(120mesh) | 250um<0.1 125um | 3.0 | ≤1.0 | ≤0.3 | ≤1.0 | ≤4.3 | 70 |
90um (160 mesh) | 180um< 0.190um | 5.0 | ≤1.0 | ≤0.25 | |||
75um (200 mesh) | 150um< 0.1 75um | 5.0 | ≤0.6 | ≤0.23 | |||
45um (325mesh) | 112um< 0.145um | 5.0 | ≤0.5 | ||||
38um (400mesh) | 75um< 0.1 38um | 5.0 | ≤0.5 |
Dry mica powder physical and chemical indicators:
Size | Screen margin (%) | Fe contents | Sand Content (%) | Bulk density (g/cm3) | Water content (%) | Whiteness | Radius-thickness ratio |
900um (20 mesh) | ≤0.5 | ≤400 | ≤0.5 | ≤3.0 | ≤1.0 | >60 | 60 |
450um(40 mesh) | ≤0.5 | ≤400 | ≤1.0 | ≤3.0 | |||
300um(60 mesh) | ≤0.5 | ≤800 | ≤1.0 | ≤3.0 | |||
150um(100mesh) | ≤0.5 | ≤800 | ≤1.0 | ≤0.25 | |||
75um (200mesh) | ≤1.0 | ≤800 | ≤1.0 | ≤0.25 | |||
45um(325mesh) | ≤2.0 | ≤400 | ≤1.0 | ≤0.22 | |||
35um(400mesh) | ≤5.0 | ≤400 | ≤0.5 | ≤0.22 | |||
28um(500mesh) | ≤5.0 | ≤300 | ≤0.5 | ≤0.22 | |||
23um(600mesh) | ≤5.0 | ≤300 | ≤0.5 | ≤0.22 | |||
18um(800mesh) | ≤10.0 | ≤300 | ≤0.5 | ≤0.22 | |||
13um(1000mesh) | ≤10.0 | ≤300 | ≤0.5 | ≤0.22 |
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