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mica biotite powder black powder size:20~100,325,400,800,1000mesh usage: rubber,coating,paint,decorate
shape:powder
1. Chemical Compositions:
SiO2 | Al2O3 | Fe2O3 | Ca O | Mg O | K2O | Na2O |
44.3% | 31.2% | 5.74% | 0.75% | 0.62% | 10.58% | 1.17% |
2. Physical Properties:
Sand Content | Iron content | Oil Absorption | L.O.I. | Density | Moisture | Whiteness | Melting Point |
< 1% | 100-400 ppm | 28-50% | 4.97% | 0.28-0.33ml/g | <1% | 55-75% | 1,280 degree |
3. Particle Standard of Primary Mica Powder:
| 20 mesh | 40 mesh | 60 mesh | 100 mesh | ||||||
mesh | % | mesh | % | mesh | % | mesh | % | |||
Size Distribution | +20 | <5% | +40 | <2 | +60 | <2 | +100 | <2 | ||
-20+40 | 60±5 | -40+60 | 60±5 | -60+100 | 55±5 | -100+200 | 50±5 | |||
40+60 | 25±5 | -60+100 | 35±5 | -100+200 | 45±5 | -200+325 | 35±5 | |||
-60+100 | <10 | -100+200 | <10 | -200+325 | <5 | -325 | <15 | |||
100 | <5 | -200 | <3 | |||||||
4. Particle Standard of Super Fine Mica Powder:
| 325mesh(45u) | 600mesh(30u) | 1000mesh(20u) | 1250(12u) | 2500mesh(6u) | |||||||
+45 | <4 | +30 | <5 | +20 | <7.2 | +12 | <10 | +6 | <10 | |||
Size Distribution | 40-30 | 26.2 | 30-20 | 30.4 | 20-15 | 13.7 | 12-5 | 39.5 | 6-2 | 56.4 | ||
30-20 | 24.5 | 20-10 | 38.9 | 15-5 | 42.9 | 5-1 | 43.7 | 2-0.5 | 31.4 | |||
-20 | 45.3 | -10 | 25.7 | -5 | 36.2 | <1 | 6.8 | <0.5 | 2.2 | |||
Excellent biotite powder