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