... . 2, Leather industry: Tanning agent, Deliming agent, Neutralizer etc.3, Printing and Dyeing Industry :Acid Stains etc.4, Chemical industry:Methane amide, DMF ... , Age resister, etc.5, Rubber industry:Coagulation, etc.6, Steel industry:Acid cleaning ... :Disinfectant ,preservative etc. 10, Poultry industry:Silage, etc. P.W Formic Acid 85%