Daruka Minerals
Daruka Minerals

 

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Phone : +91-6534-222326

Mobile : +91-9431142716, +91-9829086961

Mica Powder


We are one of the leading White Mica Powder Manufacturers and Exporters in India. Mica Powder is chemically inert, immune to climatic variations, non toxic, transparent and water proof. The Natural Mica Powder offered by us is processed and grinded at our unit using latest technology. The followings are general characteristics of Mica Powder:

  • It is highly inert to the action of light, heat electricity, water and other chemicals.
  • It transmits and reflects light and prevents penetration of sun rays, moisture, heat, gases etc. on the surface on which it's coated.
  • It has very high lubrication value thus used as High temperature grease, mould release etc., dusting surface and anti friction powder of compounds.
  • It has excellent di-electric & thermal insulation properties.
  • It produces stiffening effect of calendered sheets.
  • It produce lifting effects in liquid products due to low specific gravity and as such, remain uniformly dispersed over the surface of liquid vehicles.
  • It has very little abrasive effect and can easily get wetted by resin and dyes.
  • It has an excellent anti-sticking property and as such, during vulcanization, it prevents sticking and movement of sulphur, at the same time, it permits the air bubbles to escape

 



Chemical Analysis of Dry Ground Mica Powder

Alumina (Al2O3) 23-40%
Silica (Sl2O3) 42-50%
Iron (Fe2O3) 1-5%
Potash (K2O) 07-09%
Calcium Oxide (CaO) 0.21-0.35%
Magnesia (MgO) 0.21-0.35%
Titanium Oxide (TiO2) Traces
Sodium Oxide (Na2O) 0.62-0.98%
Manganese (MnO2) Traces
Sulphar (S) Traces
Phosphorus (P) 0.02-0.03%
Moisture At 100oC 0.10%
Loss of Ignition 03-05%

Physical Properties of Dry Ground Mica Powder

Specific gravity gm/cm3 2.80-2.85
Hardness (Mohs Scale) 2.5
Ph 8
Insolubility in hydrochloric acid 94.00%
Apparent density 1bs/cu.ft. 12-Sep
Wet bulking value grams/1b 0.04257
Oil absorption (gm linseed oil/100gm mica) 45-50
Solubility in water b/100ml 0.008
Refractive index: Min. 1.57-max.1.59
Whiteness a. Amber Filter:
b.Green Filter:
c. Blue-Filter: 81
79
75
Solubility in 10/00 acetic acid, g/100ml. 0.008
Solubility in 50/00 acetic acid, g/100ml. 0.01

Mica Powder (200 Mesh)
Mica Powder

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