Rubber O-ring Materials: different kinds of rubber & plastic, such as Silicon, NBR, SBR, NR, CR, EPDM, and FKM Rubber O-ring Features:1) Materials: different kinds of rubber & plastic, such as SILICON,NBR,SBR,NR,CR,EPDM.2) Applications: rubber parts,, industrial parts, household parts, motorcycle parts,electronicsparts, gasket rubber, O-rings. 3) Processing methods: compression, injection, ...