Synonym: sodium fluoroaluminate Molecular formula: na3alf6 Molecular weight: 209.94 1> properties: it is crystalline white powder. Slightly soluble in water, density 2.95-3, melting point 1000oc, easily absorbing water and become damp, decomposed by strong acids like sulfuric acid and hydrochloride, then producing hydrofluoric acid and relevant aluminum salt and sodium salt. 2> uses: mainly used in flux of electrolytic aluminum, pesticide, flux of ceramic colors, anti-rubbing filling agent of resin and rubber, electrolytic liquid for production of iron alloy rimmed steel and furnish of emery wheel. 3> packing: 25/1000kg plastic woven bags with shrink film,or according to customers requirements. 4> specifications: gb4291-1999 Ingredientsuperfirst gradesecond grade F%535353 Na% 323232 Al131313 H2o%n0.40.50.8 Sio2n0.250.360.4 Fe2o3%n0.050.080.10 So4%n0.71.201.30 P2o5%n0.020.030.03 Ignite on 550ocn2.53.003.00 Cao%n0.100.150.20 Packing:25kg/bag