Transparent Iron Oxide Pigment
Transparent Iron Oxide Description
Transparent iron oxide pigment is known as nanometer iron oxide pigment with primary particle size less than 100nm and typical specific surface area of 80 – 120m2/g. Because its size is smaller than wavelength of visible light (320 – 750nm), diffraction occurs in light irradiation and coating shows transparency property.
Iron Oxide Pigment Specification
Items | Transparent | Transparent | Transparent | Transparent | Transparent | Transparent | Transparent |
oxide yellow | oxide yellow | oxide red | oxide red | oxide green | oxide black | oxide brown | |
T2082 | T218 | T118 | T1084 | T508 | T308 | T408 | |
T2083 | T228 | T128 | T1085 | ||||
Appearance | Yellow powder | Yellow powder | Red powder | Red powder | Green powder | Black powder | Brown powder |
Color | similar | similar | similar | similar | similar | similar | similar |
Relative color strength% | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥97 | ≥98 |
Volatile matter at 105°C % | ≤3.0 | ≤3.0 | ≤3.0 | ≤3.0 | ≤3.0 | ≤3.0 | ≤3.0 |
Water soluble matter % | ≤0.5 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.5 | ≤0.5 |
Residue on 45μm mesh % | ≤0.1 | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 |
pH of water suspension | 3~6 | 5~8 | 5~8 | 5~8 | 4~8 | 6~8 | 3~8 |
Oil absorption g/100g | 35-40 | 30-40 | 30-40 | 30-40 | 30-40 | 25-30 | 30-35 |
Total iron-oxide % | ≥82.0 | ≥82.0 | ≥90.0 | ≥90.0 | ≥82.0 | ≥93.0 | ≥82.0 |
Oil resistance | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
Water resistance | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
Alkaline resistance | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
Acid resistance | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
Solvent resistance (alcohol, methylbenzene) | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
UV absorption % | ≥95 | ≥95 | ≥95 | ≥95 | ≥85 | ≥85 | ≥85 |
Conductivity us/cm | <300 | <600 | <400 | <400 | <300 | <500 | <300 |
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