o-ring 1) anti-chemical function well. 2) ... 4) strong tension. Product Information NameRubber seal,Rubber O-Ring ,oil seal, Rubber GasketMaterialEPDM,NBR,SBR,CR,NR, ... compoundCan be UL, FDA, ROSH, REACH approvedMode of productionCompression or injection or extrusionTesting instrumentsVulcanization tester; Tensile tester ... (); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); All kinds of o-ring