... .3. Chemical industry: Methane amide, DMF, Ageresister, etc.4. Leather industry: Tanning, etc.5. Textile industry: Natural Rubber6. Rubber industry: Coagulation, etc.7. Steal industry: Aid cleaning ... of steel production, etc.8. Paper industry: Pulp manufacturing, etc.9. Feed industry: Disinfectant, etc.10. Poultry industry: Silage, etc. formic acid 85% industry grade