Rubber Bellows

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Rubber Bellows

The rubber bellows we produced is a versatile seal used in a wide range of applications with strokes and motions. It is an ideal product to seal dust and other environmental elements together with convoluted rubber dust boots. Customized design for particular applications is available. A range of rubber materials including , TPE and Silicone are optional up to your choice.

Rubber Bellows can be engineered in a number of structures to meet various application requirements. The most common structure is composed of two connectors and a convolution region. The connectors provide the assembly interface and the convolution (bellows) region enables the design applications to travel.

Besides the material catalogue, we can develop a new material for your unique application. The common materials utilized for rubber bellow applications are as follows

Material Abbreviation Temperature Range (dry heat) Aging, Weathering, Ozone resistance Resistance to Oil & Grease Water Swell Resistance Flex-Fatigue Economy of Material Material Notes
Chloroprene (Neoprene) CR -40F to 250F Good Good Average Very Good Good exposure to refrigerants, can be compounded for FDA applications
Nitrile NBR -22F to 212F Poor Very Good Good Good Very Good excellent resistance to petroleum based oils and hydrocarbon fuels
Ethylene-Propylene , EPM -60F to 300F Very Good Poor Very Good Good Very Good  
Silicone VMQ -75F to 450F Very Good Average Very Good Very Good Average medical and aerospace applications
Fluorocarbon FKM 5F to 390F Very Good Very Good Good Average Poor  

Our company stocks over 6000pcs standard molds for the molded rubber parts. Popular types include rubber gasket, rubber O ring, rubber sealing, rubber washer, rubber bushing, etc. These molded rubber parts, such as oil seal, valve stem seal, bushing, bumper, and so on, are used in automotive industry, and applied to diesel engines, etc.

Our molded rubber parts can be used in other industry, for example, gasket, back-up rings, cup seals, wiper seal, v ring, and square ring are used for hydraulic industry. Components, diaphragms valves, and fluid sealing, as well as vibration and shock isolators, are especially used for compressors.

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