Natural iron oxide black is a black powder pigment, It is made from high quality raw materials. Its main chemical element is Fe3O4, natural iron oxide red owns stable quality, high weather ability, good resistance to anti-aging, anti-rust, acid and alkali.
Natural iron oxide black pigment is widely used in paints and coatings, construction materials, anti-corrosion coatings, rubber, glasses, magnetic materials etc.
Store in a cool, dry place in original sealed packaging. Avoid inhalation of dust — use proper PPE during handling. See SDS for detailed safety and disposal instructions.
Packing: 25kg kraft bag / 20MT FCL;
Lead time: typically 2–4 weeks (subject to MOQ).
| Appearance | Black powder |
| Content of Fe3O4 % | 95 min |
| PH Value | 5.0-8.0 |
| Oil Absorption | 18-30 |
| Residue on 320 mesh,% | 1.0 max |
| Water soluble, % | 0.3 max |
| Volatile at 105 degree | 0.5 max |
| Tinting strength, % | 98-102 |
Note:The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
We provide free lab-scale samples (100–500 g) for evaluation. Larger development samples and printed test panels can be arranged on request — contact sales for MOQ and shipping details.
This natural iron oxide black shows good thermal stability up to ~300°C in inorganic and many polymer matrices — performance depends on residence time and the polymer system. Run trial compounding to confirm for your process.
Yes — we can supply SDS, TDS, heavy metal analysis and other certificates on request. Please contact us with your required documents.