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  • Black 4330

Black 4330

Chemical formula: Synthetic iron oxide α- Fe3O4

Type: Black iron oxide pigment

Colour index: Pigment black 11 (77499)

CAS NO.: 1317-61-9

Form: Powder

Hue: Bluish black

Typical Properties

Property Typical value
Fe2 O4 content (%) min 90
Moisture (%) max 1.0
Water soluble salts (%) max 0.3
Sieve residue on 45 μm mesh (%) max 0.5
pH value 5.0-8.0
Oil absorption 15-25
Density (g/cm3) approx. 5.0
Apparent density (g/cm3) approx. 1.0
Particle shape Cubic
Average particle size (μm) approx. 0.3

Applications:

Coating

Paint

Concrete and masonry