| Iron Content(Fe2O3, dry at 105℃)% (m/m) |
≥95
|
|
105℃ Volatile Matter, %
|
＜1.0
|
|
Water-soluble Matter, %(m/m)
|
≤0.3
|
|
Sieving Residue￡¨63μm mesh), %(m/m)
|
≤0.2
|
|
PH of Aqueous Suspension
|
5-7
|
|
Oil absorption, g/100g
|
15-25
|
|
Color(compared with standard color)
|
similar
|
|
Specific Dyeing Power(compared with standard product)%
|
95－105%
|
|
Hiding Power (g)
|
≤10
|
