... Retardant O-Ring 1.High temperature and ageing resistance 2.Vacuum performance is good 3.Different size Flame Retardant O-Ring UsageMainly ... us1.We have kinds of material : SBR,CR,NBR,HNBR,EPDM,SILICONE,VITON,NR,FFPM,etc.2.We ... O-Ring SizeCustomized/standard and nonstandardBrand NameFlame Retardant O-Ring MaterialNBR,HNBR,EPDM,SILICONE,VITON,FLS,FFPM,PTFETemperatureCommon: 20~50degree centigrade;NBR ...