... silicone rubber o-ring/Medical silicone o-ring We can produce various kinds of O-ring : Rubber O-Ring ,O-Ring Seal , Rubber Product ,Rubber Part ,Silicon O-Ring.Various types are ... parameters. Features:1)Material:It is mainly made of Silicon, Rubber,NBR,NR,EPDM,SBR,IIR,CR materials,non- ... ,good smell,safetly.2)Excellent waterproof and dustproof,good resistant to oil,fulid,fuel,fire,and good high and ...