Neobor (also known as borax 5 mol or borax pentahydrate) is used in glass and fiberglass, cleaning products, flame retardants, and more, providing added value with low transportation, handling, and storage costs. Gentle cleaning, powerful protection 20 mule team ® borax decahydrate is the refined form of natural sodium borate. composed of boric oxide (b 2 o 3), sodium oxide, and water, this mild alkaline salt has excellent buffering and fluxing properties.available in a white crystalline powder or granular form, borax decahydrate is an important multi-functional source of boric oxide, Hot search. isononanoic acid copper oxide titanium dioxide hemp seed oil vitamin e fumed silica antifoam defoamers silane coupling agent sodium citrate citric acid monohydrate citric acid anhydrous citric acid Borax (or sodium tetraborate decahydrate) is a white coloured inorganic powder having the formula na 2 b 4 o 7 ·10h 2 o or na 2 [b 4 o 5 (oh) 4]·8h 2 o. it is a compound of the element boron and is also a salt of the compound called boric acid. it occurs naturally as evaporite, or as a combination of various hydrates of borax.