... food grade silicone rubber bottle stopper Feature:1)We have kinds of material : NBR,HNBR,EPDM,SILICONE,VITON,NR ... nameRubber StopperSizeCustomized/standard and nonstandardBrand NameJIAXINMaterialNBR,HNBR,EPDM,SILICONE,VITON,FLS,FFPM,PTFETemperatureCommon: 20~50degree centigrade; ... : Our company was established in 2003, providing rubber products including automobile parts, plumbing fittings, household ...