Decorative Sheets For Wall Tiles Natural common Black Mica
1.Chemical property:
Chemical Composition |
SiO2 |
Al2O3 |
K2O |
Na2O |
MgO |
Fe2O3 |
CaO |
Name |
Silicon dioxide |
Aluminium trioxide |
Potassium oxide |
Sodium oxide |
Magnesium oxide |
Iron trioxide |
Calcium oxide |
Content(%) |
46.05% |
31.56% |
10.10% |
0.59% |
0.87% |
4.91% |
0.18% |
2. Physical Properties:
Proportion |
Index of |
Brightness |
Moisture |
Sand |
Thickness |
Heat |
Loss in |
PH |
Oil |
Vickers |
(kg/m3) |
refraction |
resistance |
heating |
absorptivity |
hardness |
|||||
750 |
1.6 |
70 |
less than 1% |
0.4-2% |
70% |
More than1000℃ |
2.8-3% |
7.0-8.0 |
250g/100g |
2.5-4 |