... smelting, refining tungsten, rayon and soap manufacturing. In addition, in the production of dyes, plastics, pharmaceutical and organic intermediates, old rubber ... salt, potassium permanganate, phosphate, etc., but also the use of many of caustic soda.6.Packing It is packed with polyethylene bag ... is 25kg..Storage and transport:It should be stored in a dry,ventilative and clean warehouse;kept away from ...