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MICA Chemiccal Composition : Muscovite Comman Mica ,Potash Mica ,Muscovy Glass (silicate of aluminium and potassium ,with hydroxyl &fluorine) -KAl2(alSio3) O10(OH2F)2 Uses In Insulton and refractory bricks, electrical and industries, micanite industries ,mica paper asphalt oofing ,electrode, paint rubber ,gauge-glass of high pressure steam,boilers , diaphragm of oxygen breathing devices, marker dials of navigation compass ,quarter wave plates of optical instruments , window chimneys for gas and petromax , diaphragm in microwave transmitters , insulation wrappers in high tension radar coils , mica washers in computer industries rrtardation plates in helium“ neon lasers , jointing cement in gypsum boards , guilding boards flux coating in arc welding electrodes , fillers in paints , drilling mud and fluid plastic , cosmetics , in agriculautre etc.
| Specification: |
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| Chemical Analysis of Mica Powder |
| Moisture at 100 o C |
0.10% |
| Loss of ignition |
4.30% |
| Silica (Sio2) |
44.12% |
| Iron Oxide (Fe2O3) |
1.76% |
| Alumina (Al2O3) |
37.96% |
| Calcium Oxide (Cao) |
0.35% |
| Magnesia |
0.15% |
| Titanium Oxide |
0.65% |
| Manganese |
0.01% |
| Sodium Oxide |
9.43% |
| Phosphorus |
0.02% |
| Sulphur |
0.01% |
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| Physical Properties of Dry Groung |
| Mica Powder Specific gravity gm/cm3 |
| Refractive Index |
2.82-2.85 |
| Mean |
1.57 |
| Maximum |
1.59 |
| Apparent Dencity lbs/lb |
12-Sep |
| Wet Bulking value |
0.04257 |
| Hardness (moh's Scale) |
2.5 |
| pH |
8 |
| Oil absorption (GM Linseed |
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| Oil per 100 gm/min) |
40-50 |
| Insolubility in Hydrochloride |
94.00% |
| acid |
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| Solubility in water g/100 ml |
0.0080 |
| In 10/00 acetic acid g/100 ml |
0.0080 |
| In 50/00 acetic acid g/100 ml. |
0.0100 |
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| Physical Properties of the Dry Ground |
| Mica Powder |
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| Whitness |
|
| Amber Filter |
81 |
| Green Filter |
79.5 |
| Blue Filter |
75.5 |
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