rubber flap 1ubber flap1.strong and durable 2.easy to install 3.widely temperature scope for using 4.good quality rubber flap / rubber bumper / rubber flapping 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-aging, no poison and no smell3)It's an ideal solution for sealing application where there are high ...