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