Equipped with ptfe backup ring material and properties, Yangzhong Tianyou Seals Co.,Ltd is one of the best ptfe backup ring manufacturers and suppliers in China, you can buy our ptfe backup ring in stock and check the price with our factory.Brief:Size: optionalMaterial: pure PTFE, filled PTFEDelivery time: 5-30days, according to order quantityPackage: plastic film, carton or wooden boxMOQ: 1pcsDescription: PTFE ring, PTFE backup ring, piston ring, PTFE sealsAny sizes are ok, we can produce according to order.Technical Data:propertyunitValue1Densityg/cm32.182Water absorption (23 Cin air)%0.053Tensile strengthMPa254Tensile strain at breakP5Co-efficient of friction (on steel and ground)-0.08-0.106Charpy impact strength (at 23 C)KJ/m 2No break7Tensile modulus of elasticityMPa7008Rockwell hardness-M30application:Trains, autmobile, motorcycles trucks, buses, agricultural machinery and any equipments.

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