Iron Oxide Black
Brief description:It is a commonly used magnetic material, and special pure ferric oxide is used as a raw material for recording tapes and telecommunication equipment, natural magnetite is a raw material for iron making, and is used to make primer and topcoat.
Product Model:
Category:Products
Update Time:2026-01-28

Product Parameters
| Iron Oxide Black | ||||||||||
Type | Fe2O3 | Oil Absorption | Res. on | Water | Moisture | PH value | Density | Particle Shape | Compared with std | Tinting Strength |
| (%) | (g/100g) | (%) | (%) | (%) | (g/cm) | (%) | ||||
| 740 | ≥93 | 15-25 | ≤0.4 | ≤0.5 | ≤1.0 | 5-8 | 0.8-1.2 | Spherical | ≤1 | 95-105 |
| 750 | ≥95 | 15-25 | ≤0.4 | ≤0.5 | ≤1.0 | 5-8 | 0.8-1.2 | Spherical | ≤1 | 95-105 |
| 723 | ≥92 | 15-25 | ≤0.4 | ≤0.5 | ≤1.0 | 5-8 | 0.8-1.2 | Spherical | ≤1 | 95-105 |
| 790 | ≥92 | 15-25 | ≤0.4 | ≤0.5 | ≤1.0 | 5-8 | 0.8-1.2 | Spherical | ≤1 | 95-105 |
| 9675 | 20-45 | ≤1.0 | ≤1.0 | ≤1.5 | 5-8 | 0.2-0.4 | Acicular | ≤1 | 110-130 | |
| Hs50 | 20-45 | ≤1.0 | ≤1.0 | ≤1.5 | 5-8 | 0.2-0.4 | Acicular | ≤1 | 110-130 | |
Iron Oxide Black (Fe₃O₄) – High Purity Magnetic Pigment & Functional Material
Iron Oxide Black (Ferrosoferric Oxide, Fe₃O₄) is a high-performance black magnetic oxide with excellent tinting strength, weather resistance, chemical stability and electromagnetic properties. Widely used in coatings, construction materials, electronics, and pharmaceutical industries.
Key Advantages
1. Outstanding Physicochemical Properties
High tinting strength: Pure black color with strong covering power, ideal for dark color formulations.
Weather resistance: UV resistant, high temperature resistant (≤300°C), no fading under long-term exposure.
Magnetic properties: Natural magnetism suitable for electromagnetic shielding and magnetic recording materials.
2. Environmentally Friendly & Safe
Compliant with ISO 9001/14001 standards, heavy metal-free (Pb, Cd content <0.01%).
Certified by REACH, RoHS, safe for food-contact packaging (optional specifications).
3. Versatile Applications
Coatings & Inks: Automotive primers, industrial anti-corrosion coatings, UV inks.
Construction Materials: Colored concrete, ceramic tiles, asphalt shingles for durable coloring.
Electronics Industry: Magnetic fluids, sensors, lithium-ion battery materials.
Pharmaceuticals: MRI contrast agents, targeted drug carriers (nano-grade purity available upon customization).
Why Choose Our Iron Oxide Black?
✅ OEM/ODM Services: Support customized production to meet various client requirements.
✅ Global Supply Chain: Stable supply with complete documentation (MSDS, COA).
✅ Quality Assurance: Strict quality control ensures batch-to-batch consistency.
Frequently Asked Questions (FAQ)
Q1: What are the advantages of Iron Oxide Black compared to regular carbon black?
→ Better heat resistance, UV resistance, and magnetic functionality, suitable for high-end applications.
Q2: Is it suitable for food-grade packaging?
→ We provide FDA-compliant special grades. Please contact us for details.
Q3: How to get product pricing and lead time?
→ Please contact us for the latest information.
Call to Action (CTA)
Contact Now: +86-13666526593
Email: info@helecolor.com
Related Products: Iron Oxide Red, Iron Oxide Yellow

Product packaging
We use high-quality packaging materials and professional packaging, palletizing, and film wrapping equipment.
25KG papre bag with plastic inner
25KG ater-soiubie bag
25KG Low melting PE bag
500KG-1250KG jumbo bag

- Rev:Iron Oxide Yellow
- Next:Iron Oxide Brown



Phone+86-18267222809
E-mailydp@hecaicarbonblack.com
AddressNo. 5, Sunjiadai, Baibiao Village, Xinshi Town, Deqing County, Huzhou City, Zhejiang Province
WeChat Official Account