... 90%,92%,94%,95%,97% Properties:White granular or crystalline powder Uses:Leather, chrome tanning.Refind Sodium Formate 90%, ... 92%,94%,95%,97% Properties:White granular or crystalline powder Uses:Leather, chrome tanning method Properties:White granular ... or crystalline powder Uses:Leather, chrome tanning method of camouflage acid; ...