ZDH® Transparent Iron Oxide Pigment
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 |