... 3,Material: silicone 4,OEM & ODM warmly welcomed Silicone Rubber O Ring:1)High and low temperature resistance,2)abrasion ... resistance, 3)UV-resistance,3)Ozone resistance Silicone Rubber O Ring:1)Material: SILICON, NBR, SBR,NR, ... , SILICONE. ect. Color Available in any color, according to customers’ requirements Working Temperature -35OC~+200OC Working Pressure ≤35MPa Rubber Silicone O Rings