Mica Powder

Mica---powder and flake,(muscovite,Phlogopite,biotite,sericite,,,,, powder from 10mesh------
-1000mesh
Wet-grind mica is a kind of high-quality mineral powder.It is got through the procedure of wash.Wet grind and classification.It has the characteristic of regular shape,smooth surface ,good purity and shiness,excellent chromaticity,small volume weight,big ratio of diameter to thickness.It is a kind of ideal stuffing material in the industry of cosmetic,plastic,rubber,and paint etc.

1). Chemical composition:
chemical   Muscovite           Phlogopite           Biotite
SiO2       44.5%-46.18%     36.84%-45.05%
AL2O3     30.71%-37.70%   10.87%-17.75%
Fe2O3     2.30%-5.81%      0.11%-8.76%
K2O        9.02%-9.95%       0.32%-7.06%
Na2O      0.56%-0.65%        0.03%-2.16%
MgO       0.78%-1.15%        19.74%-29.38%
2).Physical characters(muscovite)
    Specific Gravity:2.7-2.9g/cm3
    Specific Heat:0.208 l/g.Deg
    Heat Expension Quotiety: (11) 8.8x10-6/Deg.
                                         (1) 17x10-6/Deg.
     Heat Resistance:1100 D.C
     Electrycity Destroy(alternating current):159-317KV/MM
    Refractive index:1.552-1.615
    Hardness(Mo):2-3
     Wet absorbtion:0-0.39%
     Packing: as your requirments