... . free sample 4.usage:high quality glass, optical glass Sodium Borate/Borax:1. Borax Anhydrous Borax CAS1330-43-4 Borax MF ... and light colorless crystalline substance. Borax(Borax Decahydrate) has many uses we are familiar with, such as disinfectant, preservative, water softener ... . Welcome! Free sample can be sent as request. 95% sodium borate