Introduction to the advantages and disadvantages of ethylene-propylene rubber seals_Rubber seals_Rubber seal manufacturers

The use of ethylene-propylene as a raw material in rubber seals can be said to be very widely used, and the quality is also very good. This is inseparable from its advantages. The more prominent is the introduction of the advantages and disadvantages of anti-aging performance ethylene-propylene rubber seals. The use of ethylene propylene as a raw material in rubber seals can be said to be widely used, and the quality is also very good. This is inseparable from its advantages. The more prominent is the anti-aging performance. Most of the reasons for replacing rubber seals It's all because of aging, and ethylene-propylene rubber seals perfectly explain what is durable rubber seals. Let's explain the advantages and disadvantages of ethylene-propylene rubber seals in detail. First, let's talk about the advantages of ethylene-propylene rubber seals. 1. Excellent aging resistance. Outstanding ozone resistance, far better than butyl rubber and CR. Good weather resistance, no cracks after 3 years of exposure to sunlight. NR cracked in 150 days, SBR cracked in 5 days, and cracked in 70 days. Good aging resistance. It can be used for a long time at 150℃. Aging resistance is the best among general purpose rubbers. 2. Resistant to chemical corrosion. It has great resistance to various polar chemicals, acids and alkalis. Poor resistance to hydrocarbon oils. 3. Excellent electrical insulation. More than butyl rubber seals, suitable for high pressure of 45~65KW. 4. Good impact and cold resistance. The rebound rate can reach 50%~60%, second only to NR and BR, and the elasticity retention performance at low temperature is better, it becomes hard at -57℃, and becomes brittle at -77℃. Disadvantages of ethylene-propylene rubber seals: slow vulcanization 3 to 4 times slower than normal. Difficult to use with other unsaturated adhesives; poor self-adhesion and mutual adhesion, difficult adhesion, and poor processing performance. However, its raw materials are easily available and the price is cheap, and it is mainly used for hoses, tapes, auto parts, wires and cables, etc. To sum up, the price of a good product must be a shortcoming, so good products are not cheap, and cheap products without good products are the eternal truth. I hope the above description can bring you some help.
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