... varid 3.Good quality 4.OEM Colorful food grade silicone rubber bottle stopper Feature:1)We have kinds of ... material : NBR,HNBR,EPDM,SILICONE,VITON,NR,FLS,FFPM,PU,PTFE etc.2)High temperature and acid-alkali resistance, anti ... Item nameRubber StopperSizeCustomized/standard and nonstandardBrand NameJIAXINMaterialNBR,HNBR,EPDM,SILICONE,VITON,FLS,FFPM,PTFETemperatureCommon: 20~50degree centigrade;NBR(-40 ...