... sealing strip for al-alloy door and window: Material :EPDM,NBR,Silicone Function:rubber seal could stop air,water and dust enter ... ,dust-resisitant Application:railcars,automobile,steamboat,industrial elecrical equipment,building door & window,construction machinery,construction bridge and tunnel,etc. Welcome your ... meet with your demands. rubber sealing strip for al-alloy door and window