... , VITON, FKM, FPM, etc.2. Characteristics: good physical and chemical properties waterproof rubber seal strip. 3. Hardness: 30~90 shore A or IRHD ... . 8. Applications: automobile waterproof rubber seal strip, electrical appliance, mechanical waterproof rubber seal strip, industrial, construction, household, medical and other fields. 9. QC/QA: we ...