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wether strip advantage
Feb 23, 2018

advantage:


First: weather performance is good


EPDM weathering performance, long-term in the sun, damp, cold environment. Carbon black containing ethylene-propylene rubber vulcanizate in the sun did not occur after three years of cracking, physical and mechanical properties change is small. Ethylene-propylene rubber products in the natural state, can be used 30-50 years.


Second: anti-aging properties


Ethylene propylene rubber with high chemical stability, the general rubber, the best anti-aging properties.


Third: temperature performance


Ethylene-propylene rubber products in general, can be 120 ℃ long-term use of the environment, the maximum temperature of 150 ℃. Ethylene-propylene rubber aging is a cross-linked type, the rubber hardens after aging.


Fourth: ozone performance


Ethylene propylene rubber with outstanding ozone resistance, not only better than natural rubber, styrene butadiene rubber, neoprene and other rubber can be used, but also superior to the generally considered good aging resistance butyl rubber. For example, at 100 pphm of ozone, ethylene-propylene rubber still does not crack after 430 hours of latitude and longitude, while butyl rubber produces a large tear in only 534 hours, while neoprene cracked only 46 hours. As a result, Ethylene Propylene rubber ozone resistance is the best.


Fifth: Insulation


Ethylene propylene rubber has very good electrical insulation properties and corona resistance, its electrical properties close to or better than butyl rubber, chlorosulfonated polyethylene, polyethylene. The volume resistance of ethylene-propylene rubber and butyl rubber rather, generally in the 1015-1018Ωcm range, breakdown voltage and dielectric constant is also higher, especially suitable for the manufacture of electrical insulation products.


Sixth: impact flexibility and low temperature performance


EPDM seal has a high elasticity, while ethylene-propylene rubber has good low temperature performance, still maintain good elasticity at low temperatures and less compression set, the minimum limit of use up to -50 ℃ humidity. The most closely related to the behavior at low temperatures is the flexibility of the vulcanizates, and vulcanizates with good low temperature properties also have good low temperature properties.


First: weather performance is good


EPDM weathering performance, long-term in the sun, damp, cold environment. Carbon black containing ethylene-propylene rubber vulcanizate in the sun did not occur after three years of cracking, physical and mechanical properties change is small. Ethylene-propylene rubber products in the natural state, can be used 30-50 years.


Second: anti-aging properties


Ethylene propylene rubber with high chemical stability, the general rubber, the best anti-aging properties.


Third: temperature performance


Ethylene-propylene rubber products in general, can be 120 ℃ long-term use of the environment, the maximum temperature of 150 ℃. Ethylene-propylene rubber aging is a cross-linked type, the rubber hardens after aging.


Fourth: ozone performance


Ethylene propylene rubber with outstanding ozone resistance, not only better than natural rubber, styrene butadiene rubber, neoprene and other rubber can be used, but also superior to the generally considered good aging resistance butyl rubber. For example, at 100 pphm of ozone, ethylene-propylene rubber still does not crack after 430 hours of latitude and longitude, while butyl rubber produces a large tear in only 534 hours, while neoprene cracked only 46 hours. As a result, Ethylene Propylene rubber ozone resistance is the best.


Fifth: Insulation


Ethylene propylene rubber has very good electrical insulation properties and corona resistance, its electrical properties close to or better than butyl rubber, chlorosulfonated polyethylene, polyethylene. The volume resistance of ethylene-propylene rubber and butyl rubber rather, generally in the 1015-1018Ωcm range, breakdown voltage and dielectric constant is also higher, especially suitable for the manufacture of electrical insulation products.


Sixth: impact flexibility and low temperature performance


EPDM seal has a high elasticity, while ethylene-propylene rubber has good low temperature performance, still maintain good elasticity at low temperatures and less compression set, the minimum limit of use up to -50 ℃ humidity. The most closely related to the behavior at low temperatures is the flexibility of the vulcanizates, and vulcanizates with good low temperature properties also have good low temperature properties.