
Specification
|
Item |
Unit |
Quality Index |
|
Fe2O3 Content |
%(m/m)≥ |
95 |
|
Matter Volatile At105℃ |
%(m/m)≤ |
0.8 |
|
Soluble Matter In Water |
%(m/m)≤ |
0.3 |
|
Residue After Sifting(45 Um) |
% ≤ |
0.5 |
|
PH In Extract Water |
|
5-7 |
|
Oil Absorption |
g/100g |
15-25 |
|
Cao Content |
%(m/m)≤ |
0.3 |
|
Colour(compared With Standard) |
|
Approximate |
|
Tinting Strength(compared With Standard) |
% ≥ |
95 |