(1) EPDM sealing strip
It has excellent comprehensive performance, and is resistant to ozone, weather, high and low temperatures, chemicals, and various solutes, and has a low relative density. Its disadvantage is that it expands greatly in general mineral oils and lubricants, and is generally a dark-colored product. The operating temperature range is -60 to +150°C. It can be used in high temperature, cold, coastal areas, areas with strong ultraviolet radiation, and medium and high-rise buildings. It has been recognized by the domestic and foreign door and window industries for its wide range of applications and excellent comprehensive performance.