A weakly acid crystalline compound derived from borax, used as a mild antiseptic and in the manufacture of heat-resistant glass and enamels. See also boracic.
- Chemical formula: B(OH)3
- In geothermal waters, hydrogen sulphide, silicic acid, and boric acid may also be important.
- Fluxes of this type are usually based on borax, boric acid, or glass, which melts at copper alloy melting temperatures to provide a fluid slag cover.
- Perhaps boric acid or sodium borate can be added to the paper layer or slurry of gypsum during the making of wallboard.
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