The mechanical seal ring has the effect of UV resistance, weather resistance, heat aging resistance, low temperature resistance, ozone resistance, chemical resistance, water resistance, good electrical insulation and elasticity, and other physical and mechanical properties. These advantages are irreplaceable with other materials such as PVC.

　　Mechanical seal characteristics: mechanical seals have excellent weather resistance, weather resistance refers to long-term resistance to severe cold, heat, dryness, and humidity, and good resistance to erosion by rain and snow Corrosion, can completely extend the service life of the rubber strip; heat aging resistance refers to strong heat-resistant air aging.

　　 can be used at 100-120℃ for a long time, and it can maintain effective physical properties for a long period of time at 140-150℃. It can withstand high temperature of 230-260℃ in a short time, which is good for urban buildings. In case of unexpected accidents, it can play a delay role; coupled with the use of special formulas, EPDM rubber feels similar at -50°C to 180°C, which creates a high-efficiency work performance for installation on the production site.

　　Because of its ozone resistance, mechanical seals are also known as "crack-free rubber". They are especially used in various urban buildings with different atmospheric indexes and exposed to the air. Show the superiority of its products. Anti-ultraviolet radiation provides environmental protection for residents of high-rise buildings; it can withstand voltages of 60~150KV, corona resistance, electric crack resistance, and arc resistance, which are also very good. Low temperature elasticity, the temperature at which the tensile capacity reaches 100MPa is -58.8°C.