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