Colemanite
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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.


Colemanite
Fine Grade - Specifications
Colemanite
Standart Grade - Specifications
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
  • Non-sodium fiberglass industry; Heat resistant glass
  • Raw lead glazes and other glazes, as a substitute for calcium component
  • Cleaning agent
  • Other Applications:
  • Low temperature flux
  • Opacifier,
  • Various industrial, medicinal, and cosmetics applications

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

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