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Fire proof powder mica
High temperature sterilization technology
The nation`s largest factory
Used for fire proof matertials
Fire proof powder mica:
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 for high grade fire proof matertials, etc,
