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