... be discussed . 4. Sample:1, sample avalable2, Sample Time:5-7 days3, The sample charge will be refund after comfirm order5 ... paper, aluminum smelting, refining tungsten, rayon and soap manufacturing. In addition, in the production of dyes, plastics, pharmaceutical and organic intermediates, ... is 25kg..Storage and transport:It should be stored in a dry,ventilative and clean warehouse;kept away from ...