... kinds of material : SBR,CR,NBR,HNBR,EPDM,SILICONE,VITON,NR,FFPM,etc.2.We offer OEM, We ... , rubber band, oil seal,water seal and rubber gaskets ect. Item nameThin Seals Rubber O Ring SizeCustomized/standard and nonstandardBrand NameThin ... Seals Rubber O Ring MaterialNBR,HNBR,EPDM,SILICONE ...