... )Refined Sodium Formate 90%,92%,94%,95%,97% Properties:White granular or crystalline powder Uses:Leather, chrome tanning.Refind Sodium Formate 90 ... %,94%,95%,97% Properties:White granular or crystalline powder Uses:Leather, chrome tanning method Properties:White granular or crystalline powder Uses:Leather, chrome tanning ...