Making optical glass, in metallurgy as soldering and be used as detergent or soap packing,ceramic glaze materials and glass raw

Borax decahydrate 99.5% CAS: 1303-96-4 Molecular Formula: Na2B4O7.10H2O, Molecular weight: 381.37, Appearance: White crystal powder, Assay: 99.5%min, B: 11.2%min, B2O3: 36.3%min CO3: 0.2%max, Water insoluble: 0.04%max, SO4: 0.2%max, Cl: 0.05%max, Fe: 0.002%max. Packing: 25kg plastic woven bag, 22T/20'FCL

Molecular Formula: Na2B4O7.10H2O, Molecular weight: 381.37, Appearance: White crystal powder, Assay: 99.5%min, B: 11.2%min, B2O3: 36.3%min CO3: 0.2%max, Water insoluble: 0.04%max, SO4: 0.2%max, Cl: 0.05%max, Fe: 0.002%max. 

Borax