Rubber sheath,Silicone parts,Auto Rubber boot Goodsealing,anti-aging,insulation Material:EPDM.SBR, ... ,NBR,SBR,CR,SIL etc.2. Application:Machinery, automobile, industry3. Performance: good sealing, insulation, oil resistance, high and low temperature resistance ... accepted 7. Hardness:63-70 shore A Rubber sheath Silicone parts Auto Rubber boot