Physical properties |
Reflectance (Photovolt) |
> 75% |
Hardness (Mohs scale) |
1 |
pH (aqueous solution) |
10 |
Moisture
(110oC for 2 hours) |
< 1,0% |
Oil Absorption |
22% |
Specific surface area |
1,2 m2/g |
SG |
2,6 |
Bulk Density - loose
|
0,7 g/cc |
Packing |
25kg bags |
|
PRODUCTS
OPTITALC (S)
Description
Soft white powder with a characteristic greasy feel.
Uses
Manufacture of paper, paint, rubber, plastic, body filler, insecticides and ceramics.
Chemical Analysis (%)
|
CaO |
 0,8
|
Al2O3 |
0,6 |
Na2O |
0,1 |
SiO2 |
47,2 |
MgO
|
32,3 |
K2O |
0,1 |
Fe2O3 |
4,0 |
P2O5
|
0,05 |
LOI |
22,4 |
Particle Size Distribution
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