Buy it again . view all > make sure to buy your groceries and daily needs. buy now . log in. don't have an account? sign up. completion. update your profile let us wish you a happy birthday! ... mixing cloud cotton candy slime scented stress relief no borax kids toy sludge toy blue powder star 49.99 sar. quick view ... Anhydrous borax granular/powder , find complete details about anhydrous borax granular/powder,borax granular,anhydrous borax,borax powder from borate supplier or manufacturer-zhengzhou clean chemical co., ltd. ... colorless translucent crystals or white crystalline powder. odorless, taste salty. Anhydrous borax/sodium tetraborate anhydrous na2b4o7 , find complete details about anhydrous borax/sodium tetraborate anhydrous na2b4o7,borax anhydrous,chemical formula borax,anhydrous borax best sale from borate supplier or manufacturer-zouping runzi chemical industry co., ltd. Anhydrous borax is white solid crystalline product used in gold smelting as a flux. the advantages of using borax in gold smelting are: facilitates separation of the gold from gangue at lower temperatures; borax forms a structural network with rock silicates that captures metal ions which normally associate with oxides eg.