... or crystalline powder Uses:Leather, chrome tanning.Refind Sodium Formate 90%,92%,94%,95%,97% Properties: ... Printing and dyeing industry, reducing agent..For the production of sodium hydrosulfite, oxalic acid and formic acid .ItemsIndexContent ,% ≥ ... .50.5Sodium chloride ,% ≤3.02.52.50.5Sulfured sodium ,% ≤0.020.020.020.01Water ,% ≤1.51 ... PE bag inside. Loading port: Any chinese mian port sodium formate