... Ozone and chemical resistance 4)ISO9001:2008 door gasket 1, Product description Product Namedoor gasket Material EPDM, NBR, PVC, silicone ... according to your requirements2. Function: rubber seal for door could stop air, water and dust enter the window ... Railcars, automobile, steamboat, industrial electrical equipment, building door& window, construction machinery, construction bridge and tunnel. etc.