Chemical properties (typical) Purity 99.90% min B2o3 47.76% min Physical properties Crystalline Molecular weight 291, 35 Specific gravity 1, 815 gr/cm3 Bulk density 0, 980 gr/cm3 Fractions +1 mm 6 %max -0, 06 mm 2% max 25-50 kgs bags/big-bags with or without pallets
