Yellow Iron Oxide

Yellow Iron Oxide
Yellow Iron Oxide
Application: Used to produce paints and enamels, ceramic, artistic paints, tanning, paper, construction, and rubber industries.
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Product description

Product: Yellow iron oxide pigment
Appearance: Yellow Powder

Product information

Molecular formula: Fe (OH)O, FeHO2
Regulation (EC) No.: 1907/2006
REACH Registration No.: 01-2119457554-33-0023
CAS No.: 51274-00-1, 20344-49-4
EINECS No.: 257-098-5, 243-746-4

Physico-chemical properties

Indices denomination Norm for grade
Y-0 Y-1 Y-2
a) a) Instrumental method of evaluation-total color difference ΔE, max
6 6 6
 b) Visual method of evaluation Within tolerances for paste colors, approved samples for each grade.
Iron compounds in terms of Fe2O3, % by wt., min. 86 85 84
Water-soluble substances, % by wt., max.3 0.3 0.5 0.8
Volatiles, % by wt., max. 0.5 1.0 1.5
pH of water suspension 4.5 – 7.0 4.0 – 7.0 4.0 – 7.0
Oil absorption, g/100 g of pigment, max. 30 – 50 35 – 60 35 – 60
Relative tinting strength, % by wt., min. 20 25 25
Dispersibility during 30 minutes, mkm, max. 100 95 95
Wet sieving residue on screen 0063 mesh, %, max. 0.08 0.20 0.30
Dry sieving residue on screen 016 mesh, %, max. 0.05 0.05 Not rated

Packing & Storage

kind of packaging: The pigment is packed in soft specialized disposable containers of various capacities, produced by domestic and foreign manufacturers under the valid ND, stipulating integrity and preserving consumptive properties of the goods, in three-layer paper bags of closed type, made of micro-creped Kraft paper, or in other bags conforming to the valid ND, stipulating integrity and preserving consumptive properties of the goods.
Storage and handling conditions: The pigment is stored in closed warehouses on areas with solid flooring, preventing atmospheric precipitations and soil water ingress, in the manufacturer’s packaging, at temperatures from minus 40 ◦С to +40 ◦С. It is permitted to store yellow pigment in specialized soft containers on the designed site, protected from direct sunlight and atmospheric precipitations, or under shelter.


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