The main properties of ethylene propylene rubber sealing ring

Ethylene propylene rubber mainly ethylene and propylene as the main raw material synthesis, and it has good ageing resistance and corrosion resistance, so also is a kind of common seal of the material, then take you to understand some of its performance. 1, low density and high filling density of ethylene propylene rubber seals sealing ring is the lower one kind of rubber material, the density of 0. 87, combined with the filling agent, can be added a large number of oil charge and thus can reduce the cost of rubber products, make up the shortcoming of ethylene propylene rubber raw rubber prices high, and the halls, value of ethylene propylene rubber seals, high fill after physical mechanical energy to reduce much. 2, aging resistance, ethylene propylene rubber sealing ring has good weather resistance, ozone resistance, heat resistance, acid and alkali resistance, water vapor, electronic, oil filling and normal temperature liquid, etc. Ethylene propylene rubber sealing ring can be used under 120 ℃, 150 - Under the 200 ℃ can be temporary or intermittent use. Join the suitable stabilizer can improve the temperature. With peroxide crosslinked epdm can be used in harsh conditions. Epdm in 50 PPHM, drawing 30% of ozone concentration condition, can reach more than 150 h not cracked. 3, corrosion resistance due to the lack of polarity ethylene propylene rubber seals low unsaturation, so for a variety of polarity chemicals such as alcohol, acid, alkali, oxidant, refrigerant, detergents, animal and plant oil, ketone, and fat, etc all have good resistance to patience, but the fat and aromatic solvents such as gasoline, benzene and mineral oil in poor stability, under the action of concentrated acid long-term performance will decline. Above is about ethylene propylene rubber sealing ring of low density and high filling resistance, aging resistance, corrosion resistance of some explanation, if you have other material question welcome consulting, seal, sealing ring of 17 years professional manufacturer for customized suitable rubber sealing ring, welcome to figure custom.
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