valve stem seal Good sealing, water resistance, oil resistance OEM,ODM available ISO9001,SGS,ROHS Lead time:30 Day o ring mechanical seals 1)Applicable material:Silicone,NR,NBR,SBR,EPDM,CR,TPE,PVR,PC,PE,PP,PS,POM,PUR,PVC,PPTV,HIPS,ABS,EPE,EVA etc.,with hardness between 30-90 shore A.2)performance:Good resistance to agingHigh wearabilityHigh flexibilityGood electrical insulationHigh resistance to ...
