Iron Oxide Red, Iron Oxide Yellow, Iron Oxide Black

Items

Black

Yellow

Borwn

Red

types

**0

**3

 

**0,**0,**0,**0

Contents(Fe2O3·ɑ H2O) % ≥

*0

*6

*8

*6

Oil Absorption ml/**0g

****5

****5

****5

****5

Water soluble salts% ≤

0.5

0.3

0.3

0.3

Res. on **5 mesh % ≤

0.5

0.3

0.5

0.3

Moisture % ≤

1.5

1.0

1.5

1.0

PH Value

**8

***7

**7

3.**7

Ignition loss (1,**0℃，1/2 h) % ≤

5.0

*4

    **-

1.0

Bulk density g/cm3

0.**1.2

0.**0.6

0.**0.8

0.**1.1

Specific gravity g/cm3

4.6

4.1

4.7

5.0

Tinting Strength(Compared with standard) %

*****5

*****5

*****5

*****5

Color Difference △E (Compared with standard) ≤

1.0

 

1.0

 

 

1.0

 

 

1.0