The wet ground mica powder as peariescent class of Youjia has the characteristics of uniform particle-size distribution, large diameter scale,regular granule and smooth surface.It is widely used in many products,such as High-grade car paint, additives, Plastic rubber,and household electrical appliances.
physical indexes:
| Chemical composition |
| Si 02 |
44-46% |
CaO |
0.05-0.10% |
FeO |
<0.3% |
| Al2O3 |
34-37% |
MgO |
0.05-0.10% |
Fe2O3 |
<0.3% |
| K2O |
8.5-11.0% |
Na2O |
2.3-3.5% |
TiO |
<0.01% |
| Pb,As,Hg |
<5ppm |
|
|
|
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Physical composition
|
| |
40-150 |
40-200 |
10-60 |
10-40 |
5-20 |
<15 |
| face density(g/cm2) |
0.20 |
0.20 |
0.20 |
0.20 |
0.20 |
0.20 |
| moisture(%) |
<1 |
<1 |
<1 |
<1 |
<1 |
<1 |
| sand content(%) |
<0.2 |
<0.2 |
<0.1 |
<0.1 |
<0.1 |
<0.1 |
| loss on lgnition(%) |
<4 |
<4 |
<4 |
<4 |
<4 |
<4 |
proportion
(g/cm2) |
2.8 |
2.8 |
2.8 |
2.8 |
2.8 |
2.8 |
| refraction rate |
1.596 |
1.596 |
1.596 |
1.596 |
1.596 |
1.596 |
| grain size content |
>95 |
>95 |
>95 |
>95 |
>95 |
>95 |
| whiteness |
98 |
98 |
98 |
98 |
98 |
98 |
| radius-thickness ratio |
<85 |
<85 |
<85 |
<85 |
<85 |
<85 |
| PH value |
7-8 |
7-8 |
7-8 |
7-8 |
7-8 |
7-8 |
| magnet(ppm) |
5 |
5 |
5 |
5 |
5 |
5 |
oil absorption
(%) | |
Product Detail 