Borax Pentahydrate is the most common form of sodium borate used in industry. Consisting of white crystalline granules or powder it is mildly alkaline in solution. The advantages of Borax Pentahydrate compared with borax Pentahydrate lie in the lower transportation, handling and storage costs of a more concentrated product. Borax Pentahydrate is stable under ordinary conditions, free-flowing, and easily handled by air or mechanical conveying.