Borate glass

Borate glasses have a more complex action of alkali ions than silicate glasses.[1] Borate glasses also have major differences in their optical properties.[2]

An old borax plant in Death Valley, California.

The single largest use of boron compounds in the world (accounting for half of total global use) is the production of certain types of boron-treated glass fiber for insulating and structural fiberglass.[3] In these uses the boron may be present as borax or boron oxide, and adds to the structural strength of the glass as borosilicate, or is added as a fluxing agent to decrease the melting temperature of pure silica, which is difficult to extrude as fibers and work with in pure form, due to the high temperatures involved.

References

  1. "Glasses - Alkali Borate Glasses". Archived from the original on 2014-12-01. Retrieved 2013-05-28.
  2. Gautam, Chandkiram; Yadav, Avadhesh Kumar; Singh, Arbind Kumar (2012). "A Review on Infrared Spectroscopy of Borate Glasses with Effects of Different Additives". ISRN Ceramics. 2012: 1–17. doi:10.5402/2012/428497.
  3. "Archived copy" (PDF). Archived from the original (PDF) on 2013-12-28. Retrieved 2013-05-29.{{cite web}}: CS1 maint: archived copy as title (link)
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