... paper, aluminum smelting, refining tungsten, rayon and soap manufacturing. In addition, in the production of dyes, plastics, pharmaceutical and organic intermediates, old ... Packing It is packed with polyethylene bag as liner,and a compound plastic woven bag as the outer layer.The ... is 25kg. .Storage and transport: It should be stored in a dry,ventilative and clean warehouse;kept away from moisture and ...