Technical datasheet
MAPICO™ Black (845)
Supplied byOxerra (formerly Cathay Industries)- Last Updated on Nov 11, 2025
MAPICO™ Black (845) by Oxerra (formerly Cathay Industries) is a very fine, high-purity synthetic magnetite (Fe3O4). It is a high-tinting strength, permanent, non-bleeding and inert black pigment with a blue tint. It is produced by precipitation to a cubical shape. It is designed for use in magnetic applications where consistent particle size and magnetic properties are required.
- It is used in plastics, rubber and other specialty applications.
- It can replace carbon blacks in formulations where floating or flooding is a problem.
- It meets ASTM C979-82 standards to color products made with cement.
- It can be used in packaging or articles that come in contact with food (21CFR).
- MAPICO™ Black (845) is alkali-, chemical & weather resistant, and stable under exposure to sunlight & UV radiation.
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Compliance
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MAPICO™ Black (845) properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Acid Insolubles | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Antimony Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Arsenic Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Cadmium Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Chromium (III) Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Coercivity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Copper Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density, Bulk | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Fe2O3 Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| FeO Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Lead Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Magnetic Moment | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Mercury Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Moisture Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Nickel Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Oil Absorption Number (OAN) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Particle Size | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Remanence | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Retention | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Selenium Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Resistance | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Surface Area | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Water Soluble Salts | 0.0 Visible After Login | Visible After Login | Visible After Login |
| pH | 0.0 Visible After Login | Visible After Login | Visible After Login |