... 4≥97 %Loss on dry≤0.3 %Packing:10 kg ; 30 kg ; 50 kg metal pail , lined with ethylene bag . ( or following ... plasticizer, dyeing, anit-dirt, catalyst, the tail gas transformer, used in reducing, refining , decolor, deodor,, and oxidization of peroxide, the pollution ... and fire-retarding place. payment:T/T in advance package: 25/50 kg packed in iron drum, inner with soluble bag super sodium borohydride ...