... ,best price,s silicon rubber sealing ring Materials: different kinds of rubber & plastic, such as Silicon, NBR, SBR, NR, CR, EPDM, and FKMRubber O ... -RingFeatures:1) Materials: different kinds of rubber & plastic, such as SILICON,NBR,SBR,NR,CR,EPDM.2) Applications: rubber parts,, industrial parts, household parts ...