... tungsten, rayon and soap manufacturing. In addition, in the production of dyes, plastics, pharmaceutical and organic intermediates, old rubber regeneration ... , potassium permanganate, phosphate, etc., but also the use of many of caustic soda.6.Packing It is packed with polyethylene bag ... a compound plastic woven bag as the outer layer.The net weight of each bag is 25kg..Storage and transport:It should ...