2.model No.:93%,95%,98%.
3.appearance:White granular or crystalline powder
4.usage:leather industry,used as catalyst and stability.,reducing agent in Printing and dyeing, and the production of sodium hydrosulfite, oxalic acid and formic acid
5.spec.
Superior grade
Purity % ----------- 97.0 min
NaOH,% --------------0.50 max
Na2C03,%---------- 1.30 max
NaCL,% --------------0.50 max
Na2S,% -------------0.06 max
First grade
Purity % ----------- 95.0 min
NaOH,% --------------0.50 max
Na2C03,%---------- 1.50 max
NaCL,% --------------0.50 max
Na2S,% -------------0.08 max
Qualified grade
Purity % ----------- 93.0 min
NaOH,% --------------1.00max
Na2C03,%---------- 2.00 max
NaCL,% --------------3.00 max
Na2S,% -------------0.10 max
6. Package:25kg/fabic woven bag lined with plastic film,22 tons/20'FCL
7. Port:Tianjin port,China
8. Payment terms:L/C or T/T