Sodium hydrosulfite Purity: 99.0% Min. Remain Thiourea: . 0.1% Max Moisture:. 0.05% Max Iron(Fe): 10ppm Max. Sulphate: 0.17% Max. 500kg and 1000kg Containning bags 2) 100kg or 160kg drums 3) 50kg fiber drums 4) 25kg or 50kg plastic bags inner two layers 5) 25kg kraft paper compound plastic bags
