high quality Borax Pentahydrate

It is also used to make buffer solutions in biochemistry, as a fire retardant, as an anti-fungal compound for fiberglass, as an insecticide, as a flux in metallurgy, a texturing agent in cooking,

and as a precursor for other boron compounds.

 

Product Description
Other names: Borax pentahydrate
CAS No. *********3
Appearance: White free-flowing granules.
Formula: Na2b4o7.5H2O

Usages: Used in the manufacture of high-quality glass, optical glass, heat-resistant. Enamel industry for glaze. Applied to metal surfaces and alloys of flux.
SPECIFICATION
Item Na2B4O7.5H*0
Content of Fe % ≤ *0
Content of Na2B4O7.*0H2O % ≥ **1.****3.1
Content of CO3% ≤ *1.***1.9
Content of Non-dissolved substance % ≤ **0
Content of SO4 *- % ≤ **0
Content of Cl - % ≤ **0