Colemanite is commonly available in distinct transparent crystalline forms. Colemanite mineral can also be thin, flaky (platy) and brittle. Ground Colemanite is a reddish-grey to greyish-white powder available in two different fineness, Standard and Fine. These products are produced from the minimally-processed natural ore.
| Component | Typical Value |
|---|---|
| B2O3 | 40.0% |
| CaO | 26.8% |
| SiO2 | 5.0% |
| SO4 | 0.3% |
| As | 25 ppm |
| Fe2O3 | 0.04% |
| Al2O3 | 0.25% |
| MgO | 2.7% |
| SrO | 1.15% |
| Na2O | 0.15% |
| LOI | 24.0% |
| Moisture | 0.3% |
| Dry Sieve Analysis | |||
|---|---|---|---|
| Standard | Fine | ||
| Size in µm | US Mesh | Typical Value | Typical Value |
| (+) 600 | + 30% | 0.00 | – |
| (+) 250 | + 60% | 0.2 | 0.00 |
| (-) 45 | – 325% | 76.00 | 84.00 |
Government registration or certification may be required for particular applications in certain countries.
| Standard Packaging and Weights – Colemanite (All forms) | |
|---|---|
| Package Type | Standard and Fine Mesh Colemanite; or Kestelek Colemanite |
| White polypropylene woven bag with interior lamination; Top and bottom discharge ports |
1 MT Supersack (2,204.6 lbs) |
| Bulk Shipment | Various weights |
Ask us about special requests for:
• Custom package types
• Flat-bottomed supersacks
• Custom fill weights
• Custom labeling
SDS: Colemanite