1> Properties: it is crystalline white powder. 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 ri mm ed steel and furnish of emery wheel. 3> Packing: 25/ 1000kg plastic woven bags with shrink film, or according to customer’s requirements. 4> : GB4291- 1999 IngredientSuperFirst gradeSecond grade