|
LAVIGATED CHINA CLAY:
Physical Parameters
:
| Specific Gravity |
2.6
DIVIDED POWDER |
| Bulk density |
0.821
|
|
Oil absorption value |
25 - 35% |
| Ph of 10 % sol. |
7 - 8
|
| Water Soluble Salts
|
2 % max.
|
| Volatile Matter
|
1 % max.
|
| Refractive Index
|
1.5
|
| LOI
|
13 - 15 |
Chemical Parameters
:
| SiO2 |
46.20
|
| Al2O3 |
37.82
|
|
Fe2O3 |
0.10 |
| TiO2 |
0.65
|
| CaO
|
0.46 |
| MgO
|
0.32
|
| Na2O
|
0.29
|
| K2O
|
0.09 |
| LOI
|
14.04
|
NON LAVIGATED CHINA CLAY:
Physical Parameters
:
| Appearance |
White - Slight creamy
|
| Moisture at 105 C |
1 % max.
|
|
Water absorbant capacity |
30 - 50 % |
| LOI |
12.5 - 15.0 %
|
Sieve retentions fineness on
75 microns
45 microns |
Nil
2.5 % max.
|
| Brightness
|
75
|
Chemical Parameters
:
| SiO2 |
54 %
|
| Al2O3 |
28 %
|
|
Fe2O3 |
1.0 % max. |
| TiO2 |
1.5 % max.
|
| CaO
|
Nil |
| MgO
|
1.0 % max.
|
| Na2O
|
1.0 % max.
|
| K2O
|
0.50 % max. |
| LOI
|
13.0 % max.
|
|
