... several fabric dyeing and printing processes and tanning processes. 1.sodium formate, white powder 2.purity:96%min,20%,40% 3 ... , Purity96%minmoistures1.5%maxIron0.001%maxOrganic impurity4.5%max 1.sodium formate, white powder2.purity:96%min,20%,40%3Industrial chemical ...