Rubber sheath,Silicone parts,Auto Rubber boot Goodsealing,anti-aging,insulation Material:EPDM.SBR,NBR,CR,SILICONE 1. Material: EPDM, aslo used NR,NBR,SBR ... . OEM orders are accepted 7. Hardness:63-70 shore A Rubber sheath Silicone parts Auto Rubber boot