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Iron oxide powder is available in black, red, yellow, brown and other colors. It boasts pure, vivid hues with strong tinting strength, excellent weather resistance, acid-alkali stability and non-toxic environmental friendliness. As a high-quality pigment, it disperses well, covers evenly and won't fade, perfectly suitable for coatings, building materials, plastics, inks and more. A cost-effective coloring choice for industrial production and craft making, it ensures long-lasting, bright results.
Cas No. :
1309-37-1Molecular Formula :
Fe2o3,Fe3O4Density :
5.24G/Cm3Melting point :
71.844EINECE NO. :
20344-49-4/215-168-2,243-746-4Apperance :
Red/Yellow/Black/BrownPurity :
88%minBasic information
Red iron oxide (Fe₂O₃): High tinting strength, density ~5.2 g/cm³, ideal for coatings.
Yellow iron oxide (FeO(OH)): Fine particle size (~0.2-1 μm), good dispersion, suited for plastics.
Black/brown iron oxide (Fe₃O₄/Fe₂O₃·FeO): Excellent weather resistance, density 4.8-5.1 g/cm³, perfect for inks & building materials.
Specification
|
Contents |
% |
≥88 |
|
Oil absorption |
ml/100g |
23~35 |
|
Res. on 325 mesh |
% |
≤0.3 |
|
Water soluble salts |
% |
≤0.3 |
|
Moisture |
% |
≤1.0 |
|
pH value |
- |
3.5~7 |
|
Ignition loss (1,000℃, ½ h) |
% |
- |
|
Bulk density |
g/cm³ |
0.4~0.6 |
1: Red Iron Oxide: Used as a key pigment in architectural coatings, automotive paints, and industrial coatings.
2: Yellow Iron Oxide: Integrated into plastic products (e.g., PVC pipes, consumer goods) and rubber items, its fine particle size and good dispersibility deliver bright.
3: Black Iron Oxide: Applied in offset inks, packaging inks, etc., providing deep black shades and strong lightfastness for clear, durable printed materials.
4: Brown Iron Oxide: Added to concrete, mortar, and ceramic tiles, offering natural brown tones with excellent chemical stability, enhancing the aesthetic and durability of construction projects.
Packing
Certificates
The products have been approved by FDA,REACH,ROSH,ISO and other certification, in line with national standards.
Factor
y
FAQ
Q: Are you trading company or manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
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