Shaoyang Zhongcai Manufacturing Co.,Ltd

Iron Oxide Black 722, 723 Product Description (Chinese) Iron oxide black pigment produced by Shaoyang Zhongcai Manufacturing Co., Ltd. is a bluish-black powder, insoluble in water and alcohol, soluble in concentrated acid and hot strong acid. It is magnetic, with high tinting strength and hiding power. It has good weather resistance, lightfastness, atmospheric resistance, and durability, and is free from water and oil penetration. It has good alkali resistance and is heat resistant up to 100℃. It is widely used for coloring building materials, cement, rubber, plastics, etc., with stable color, strong tinting strength, and reliable quality. Product Specifications: Product Name: Gaoxin Zhongcai Brand Iron Oxide Black CAS: 1317-61-9 HS Code: 2821100000 Production Standard: HGT 2250-1991 1. Product Overview: Molecular formula Fe2O3FeO, with saturated bluish-black color, strong tinting strength, high hiding power, and good lightfastness. 2. Specifications: 722/723. 3. Applications: Widely used in colored cement bricks, coatings, paints, building materials, rubber, plastics, and other fields. 4. Storage and Transportation Conditions: Store in a dry place, avoid moisture, high temperatures, and keep away from acids and alkalis. Under the above storage conditions, the effective shelf life of the unopened product is six years. 5. Packaging: 25/20 kg/bag with woven outer and plastic inner lining, or paper-plastic valve bags, and 1000 kg packaging. 6. Instructions for Use: When used in cement, the iron black content is 2-4%. Mix thoroughly. 7. Technical Specifications: Product Name: Gaoxin Zhongcai Brand Iron Oxide Black Model: 722, 723 Inspection Items Specification Requirements Inspection Results Fe3O4 Content, ≥** 94 95 Moisture, ≤** 1.0 0.8 Water-soluble Matter, ≤** 0.5 0.3 Residue on 325 Mesh,** 0.5 0.2 Oil Absorption (ml/100g) 15~25 18 pH Value 5.0~8.0 7.0 Tinting Strength,** 100±5 101 Conclusion: This product is qualified.