Iron Oxide Black 330

Iron oxide black 330 is an inert, non-toxic and high-quality inorganic black pigment. Due to the stable chemical composition and structure, it is insoluble in water and diluted acids, resistant to acid, lime and alkaline as well as absolutely weather and light stable.

We widely used in paint, printing ink, also add into rubber and tires. It has good miscibility with natural rubber particles, plays a important role of tackifier, softener and strengthening agent.

Chemical Formula: Fe2O3.FeO
Tamped Density (g/cm3): 0.9-1.3
Heat stability (℃): 120~150
Particle size: 96%≤45µm
Particle shape: Spherical
Typical properties:

Fe3O4 content

90% min

Tinting strength


△E compared with std.

1.0 max

320μ Residue on Sieve

0.4% max

Moisture (105℃)

1.5% max

Oil absorption (g/100g)


pH value


Water soluble

0.5% max


Iron Oxide Black 330 has a strong covering power, and be characterized by its high tinting strength, outstanding light fastness, strong absorption of ultraviolet light and fine dispersing, which make it widely used as colorant for cement products, painting and inks.

Black 330 has public accepted color shade, bluish and dark, applied as a universal type.

Main uses:

Roofing tile
Paving stone
Concrete block

Kimix Chemical Co.,Ltd is a leading China iron oxide black 330 manufacturer and supplier, we have a professional iron oxide black 330 factory, which can provide you iron oxide black 330 with reliable quality.