Colemanite

Description
A natural hydrated calcium borate ore. Appearance similar to clay - fine to lumps of light grey.  Moisture content:approx. 7 %. Used for replacing boric acid in the manufacture of glass fibers. Bulk density (kg/m3): 1,639
Trade Names (Synonyms)
Boron calcium oxide - calcium tetraborate -colemanite powder - hydrous calcium borate -boric acid, calcium salt- di-calcium hexaborate pentahydrate.

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