sodium metabisulphite, sodium metabisulfite

Product Description

(1)Molecular formula: Na2S2O5

(2) Physical appearance: white powder

(3)Purity(Na2S2O5): *6% min food grade

(4)Content of SO2: *5%

(5)Main use: Dyeing mordant; antichlor fabric after bleaching; food preservativesreducing agent and sulfonating agent in chemical, medicine industry; bleaching agent for bamboo, wood, paper fiber; non-ferrous metal ore-dressing agent; waste water treatment agent and rubber coagulator

(6) Packing: Plastic woven bag internal with paper

(7)Net weight: *5kg /bag

(8)specification:

Main content (Na2s2o5) >= *6.5%;

SO2  >= *5.1%

Content  of iron (Fe) >=0.**5%

heavy metal( in pb) <= 0.**1%

Content of arsenic(As) <= 0.***2%

PH: 4.3

*6 Ton/Tons per FCL
Loading ports: TIANJIN, QINGDAO, HUANGPU
Payment: L/C   D/P   T/T
Supplying capability: ***0  Ton/Tons / Month
Minimal order: 1FCL