formic acid 85% used in rubber, pesticide, leather,textile 250kg IBC DRUM CAS 64-18-6 Manufacture ,quality supplier ... : Triazolone , Disinfest, etc.3. Chemical industry: Methane amide, DMF, Ageresister, etc.4. Leather industry: Tanning, etc.5. Textile industry: Natural Rubber6. Rubber ...