|
Item |
Trans-oxide yellow |
Trans-oxide red |
Trans-oxide brown |
|
Appearance |
Yellow powder |
Red powder |
Brown powder |
|
Color(compared with the standard) |
similar |
similar |
similar |
|
Relative color strength( Compared with the standard)% |
≥98 |
≥98 |
≥98 |
|
Volatile matter at 105°C % |
≤3.0 |
≤3.0 |
≤3.0 |
|
Water soluble matter % |
≤0.5 |
≤0.3 |
≤0.5 |
|
Residue on 45μm mesh % |
≤0.1 |
≤0.05 |
≤0.05 |
|
PH of water suspension |
3-6 |
5-8 |
3-8 |
|
Oil absorption g/100g |
35-40 |
30-40 |
30-35 |
|
Total iron-oxide % |
≥82.0 |
≥90.0 |
≥82.0 |
|
Oil resistance |
5 grade |
5 grade |
5 grade |
|
Water resistance |
5 grade |
5 grade |
5 grade |
|
Alkaline resistance |
5 grade |
5 grade |
5 grade |
|
Acid resistance |
5 grade |
5 grade |
5 grade |
|
Solvent resistance (alcohol resistance, methyl benzene resistance) |
5 grade |
5 grade |
5 grade |
|
UV absorption |
≥95% |
≥95% |
≥85% |
|
Conductivity(<) |
<300 us/cm |
<400 us/cm |
<300 us/cm |