formic acid: 1.Formic acid 85%,90% 2.formic acid for Rubber, medical, printing... 3.formic acid: HCOOH 4.ISO/SGS/COA FORMIC ACID 1.Property: Colorless liquid with pungent odor, miscible with ... , Vitamin B1,etc.2, Leather industry: Tanning agent, Deliming agent, Neutralizer etc.3, Printing and Dyeing Industry :Acid Stains etc.4, Chemical ...