Iron Oxide Blak,Pigment black 11-Hangzhou Han-Color chemical CO,.LTD.


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Pigment black 11


Trade name Iron oxide black
Type 330
Chemical name Triiron tetraoxide (Fe3O4)
Delivery form Powder
Colour index Pigment black 11 (77499)
CAS No./EC No. 1317-61-9/215-277-5
Specifications Contents (Fe3O4) % ≥90 ISO1248
Oil absorption ml/100g 15~25 ISO787-5
Res. on 325 mesh % ≤0.5 ISO787-7
Water soluble salts % ≤0.5 ISO787-3
Moisture % ≤1.5 ISO787-2
pH value   5~8 ISO787-9
Ignition loss (1,000oC, ½ h) % ≤5.0 DIN55913
Bulk density g/cm3 0.8~1.2 ISO787-11
Specific gravity g/cm3 4.6 ISO787-10
Particle size BET μm 0.15 Electron Micrographs
Dispersibility (Hegman) μm 20/30/40 ISO787-20
Tinting Strength (Compared with Standard) % 95~105 ISO787-24
Color Difference △E (Compared with Standard)   ≤1.0 ISO787-1
Sales packing In 25kg paper bag/1000kg bulk bag then palletized
Transport & Storage Protect against weathering / Store in a dry place, temperatures of above 80 °C must
be avoided
Safety The product is not classified as hazardous under EC 1907/2006 & EC 1272/2008

As an important inorganic colorant, iron oxide black is characterized high opacity, strong tinting strength, easy dispersibility, excellent light fastness and perfect weather resistance. It is extensively used in concrete, roofing tile, paver, stucco, masonary, paint, coating, rubber, plastic, paper and leather industries etc.

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