Mica insulation material sheet
High temperature sterilization skills
The largest factory
Used in electric welding rod,etc
Manufacturer mica insulation material sheet :
1.Grain Size Distrbution:
Size | +20 | +40 | +60 | +100 | +200 | +325 | —325 | Sand Content | Iron Content |
% | PPM | ||||||||
20 mesh | ≤ 5 | 70±5 | 25±5 | ≤ 10 | ≤ 5 |
|
| ≤ 0.5 | ≤ 100 |
40 mesh |
| ≤ 1 | 55±5 | 40±5 | ≤ 10 |
|
| ≤ 1 | ≤ 400 |
60 mesh |
| ≤ 0.01 | ≤ 1 | 45±5 | 45±5 | ≤15 |
| ≤ 1.5 | ≤ 800 |
100 mesh |
|
| ≤ 0.01 | ≤ 1 | 35±5 | 35±5 | ≤ 35 | ≤ 1.5 | ≤ 1000 |
200 mesh |
|
|
| ≤ 0.01 | ≤ 5 | 10±5 | 85 | 1.5 | ≤ 1000 |
325 mesh |
|
|
| ≤ 0.01 | ≤ 0.1 | ≤ 5 | 95 | 1.5 | ≤ 1000 |
2.Chemical analysis:
Element | SiO2 | Al2O3 | K2O | Fe2O3 | CaO | Na2O | MgO | H2O |
Content % | 43~45 | 20~33 | 9~11 | 2~6 | 0.02~0.77 | 0.95~1.8 | 1.3~2 | 0~0.13 |
Purity:68 degree
Moisture Content: ≤1%
Loose Unit Weight:250-270kg/M³
3.Applications:
Widely used in high grade electric welding rod materials, etc,
4.The panorama of the factory
