Contact: ☎ 973-405-6248 | ✉ sales@Iron-Powders.com
Natural Magnetite Powder
MAG325 is a high purity, natural magnetite (Black iron oxide with formula Fe3O4) ground to a fine powder. Applications include black pigment for different industries such as polymers, construction, cosmetics, paint and others when a UV stable magnetic black pigment is needed. Natural magnetite is available in fine powder form, classified as mesh 325 with particles of about 45 micron or smaller. Natural magnetite is in dark black color and it is highly magnetic.
Applications of Natural Magnetite
✔ Heavy media separation
✔ Dense concrete / shielding
✔ Ballast & weighting materials
✔ Foundry uses
✔ Low-grade pigments
✔ Drilling mud weighting
Particle Size Analysis:
| % Tile | Size (μm) |
| 10 | 4.05 |
| 20 | 5.68 |
| 30 | 7.27 |
| 40 | 9.03 |
| 50 | 11.05 |
| 60 | 13.45 |
| 70 | 16.49 |
| 80 | 20.95 |
| 90 | 30.09 |
| 95 | 42.43 |
Ordering and Pricing
Please contact 973-405-6248 to discuss your specific requirements based on your applications.

