... Bolt Seal. 3. Certification: ISO9001:2008, TS16949,ROHS,etc. Industrial High Quality Bolt Seal descriptions: 1. Materials: can be EPDM ... steam proof, good insulation property, good elasticity and high tensile strength Bolt Seal,etc. 3. Hardness: 30~90 shore A ... , control plan and PFMEA. 9. Applications: automobile, electrical appliance, industrial, construction, and other fields Bolt Seal. 10. QC/QA: we ...