Enterprise standard(gb1893-2008) Items details Sodium metabisulfite(na2s2o5) % í²96.5 Fe % í²0.003 Clarityclear Heavy metal (pb) % í²0.0005 Arsenic(as) % í²0.0001 Packing: in plastic woven bag lined with food-grade pe bag. Net wt. 25kgs, 50kgs, 1000kgs. Packing bags shold be labeled such signs as "food-additive sodium
