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Characteristics of three ethylene propylene rubber sealing strip

Release time:2018-08-29 10:48:22 Browse:952
EPDM sealant strip is made of EPDM rubber strip by microwave curing process. The surface is smooth and beautiful. It has good elasticity and compression resistance, weather aging resistance, ozone resistance, chemical resistance, fire resistance and a wide range of service temperature (-50 ~ + 150 ~ (?)).
EPDM is a copolymer of ethylene, propylene and a small amount of third monomer non-conjugated diene.
Ethylene-propylene-diene rubber (EPDM) has excellent anti-ultraviolet effect, with weather resistance, heat aging resistance, low temperature resistance, ozone resistance, chemical medium resistance, water resistance, good electrical insulation and elasticity and other physical and mechanical properties. These advantages are irreplaceable for PVC and other materials.
EPDM rubber strip is formed by microwave curing process. Its surface is smooth and beautiful, has good elasticity and compression resistance, weather aging resistance, ozone resistance, chemical resistance and wide temperature range (-50 ~ + 150 ~ C). It has been widely used in automotive doors, windows and curtain walls and other manufacturing industries. Different shapes, different materials, or cold, heat, foaming, solid, and with special performance requirements of the product, can meet the design and use needs.
1. EPDM has excellent weather resistance and weatherability, which means that EPDM has long-term ability to resist cold, heat, dryness and humidity, has excellent corrosion resistance to rain and snow, and can prolong the service life of rubber strips.
2, heat aging refers to strong heat resistance of air aging. It can be used for a long time at 100-120 C. It can also keep effective physical properties for a long time at 140-150 C. It can withstand 230-260 C. High temperature in a short time. It can delay the sudden accidents of urban buildings. Field installation creates high efficiency performance.
3. Ethylene propylene diene (EPDM) is also known as "crack-free rubber" because of its excellent ozone resistance. Especially when it is used in various urban buildings with different air index and completely exposed to the air, it will show the superiority of its products.
4. Anti-ultraviolet radiation, for high-rise building households to provide protection of the environment; can withstand 60-150 KV voltage, corona resistance, resistance to cracking, arc resistance, but also excellent. Low temperature elasticity, the tensile capacity reaches 100MPa when the temperature is -58.8 C.
5. Because of its excellent physical and mechanical properties, it is often used to manufacture waterproof parts and other industrial and agricultural sealing parts such as aircraft, cars, trains, passenger cars, ships, high and low voltage switchgear, glass curtain wall, aluminum alloy heat-insulating windows, diving products, high-pressure steam hoses, tunnels, viaduct joints and other waterproof parts. .
Technical parameters:
Part of sponge gum
Applicable temperature -40~140 C -35~150 C
Hardness 50~80 C A 10~30 centigrade
Tensile strength > > 10 -
Elongation at break (>) 200~600% 200~400%
Compression permanent deformation 24 hours 70 (35%) 40%
Density 1.2~1.35 0.3~0.8
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