... .0060.02Uses:As coagulin of caoutchouc, reducing agent of leather, dyeing organic industry solvent, food preservative, etc.Application:1 Pharmaceutical industry ... , DMF, Age resister, etc. 4 Leather industry:Tanning, etc. 5 Textile industry:Natural Rubber. 6 Rubber industry:Coagulation, etc. 7 Steel ... . 10 Poultry industry:Silage, etc.Acidi formic acid for tanning chemicals