The chemical formula of Muscovite is KA12〔AlSi3O10〕(OH)2, including SiO2 45.2%、A12O3 38.5%、 K2O 11.8% and H2O 4.5%. In addition, it contains a small amount of Na, Ca, Mg, Ti, Cr, Mn, Fe and F.
Mica Chemical Composition
SiO2 |
Al2O3 |
Fe2O3 |
CaO |
MgO |
K2O |
Na2O |
44.30% |
31.2% |
5.74% |
0.75% |
0.62% |
10.58% |
1.17% |
Physical properties
Sand content |
Iron content |
Oil Absorption |
Loss on ignition |
Density |
Moistue |
Whiteness |
Melting point
|
<1% |
100-400ppm |
28-50% |
4.97% |
0.28-0.40 g/ml |
<1% |
40-75% |
1280℃ |
Primary mica powder particle size standard
SpecsContent |
20Mesh |
40Mesh |
60Mesh |
100Mesh |
||||
Mesh |
% |
Mesh |
% |
Mesh |
% |
Mesh |
% |
|
Particle sizedistribution |
+20 |
<5 |
+40 |
<2 |
+60 |
<2 |
+100 |
<2 |
-20+40 |
60±5 |
-40+60 |
60±5 |
-60+100 |
55±5 |
-100+200 |
50±5 |
|
-40+60 |
25±5 |
-60+100 |
35±5 |
-100+200 |
45±5 |
-200+325 |
35±5 |
|
-60+100 |
<10 |
-100+200 |
<10 |
-200+325 |
<5 |
-325 |
<15 |
|
100 |
<5 |
-200 |
<3 |
Ultrafine mica powder particle size standard
Specs Content |
325Mesh (45μm) |
600Mesh (30μm) |
1000Mesh (20μm) |
1250Mesh (12μm) |
2500Mesh (6μm) |
|||||
Particle size distribution |
+45 |
<4% |
+30 |
<5% |
+20 |
<7.2% |
+12 |
<10% |
+6 |
<10% |
40-30 |
26.2% |
30-20 |
30.4% |
20-15 |
13.7% |
12-5 |
39.5% |
6-2 |
56.4% |
|
30-20 |
24.5% |
20-10 |
38.9% |
15-5 |
42.9% |
5-1 |
43.7% |
2-0.5 |
31.4% |
|
-20 |
45.3% |
-10 |
25.7% |
-5 |
36.2% |
<1 |
6.8% |
<0.5 |
2.2% |