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