U.s. borax, part of rio tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. we are 1,000 people serving 500 customers with more than 1,700 delivery locations globally. American borate offers anhydrous borax, etibor 68, (1330-43-4) as one of our many boron products in both standard & specialty packaging. Borax is the least concentrated sodium borate product, because it has the most bound water (10 molecules). it is found in detergents, and personal care products. it is found in detergents, and personal care products. There are 259 borax anhydrous suppliers, mainly located in asia. the top supplying country or region is china, which supply 100% of borax anhydrous respectively. borax anhydrous products are most popular in south america, north america, and southeast asia.