Material

Common Rubber Material Physical Performance and Application

Nitrile (NBR)

-40ºF to 250ºF

Suitable with:  Aliphatic Hydrocarbons, Petroleum Oils, Gasoline, Hydraulic Oils, Diesel Fuel, Water

Hydrogenated Nitrile (HNBR)

-40ºF to 300ºF

Suitable with:  Aliphatic Hydrocarbons, Petroleum Oils, Gasoline, Hydraulic Oils, Diesel Fuel, H2S (10%), Water

Ethylene Propylene (EPDM)

-60ºF to 300ºF

Suitable with:  Ammonia, Brake Fluids, Steam, UV

Excellent weather resistance

Flouroelastomer (FKM)

0ºF to 390ºF

Suitable with:  Petroleum Oils, Silicone Oils, Gasoline

 

Perflouroelastomer (FFKM)

0ºF to 600ºF

Suitable with:  Most Media

Silicone (VMQ)

-90ºF to 430ºF

Suitable with:  Vegetable Oil, Water, Ozone

Neopreme (CR)

-40ºF to 250ºF

Suitable with:  Ammonia, Refrigerants, Ozone

Polyurethane (PU)

-40ºF to 195ºF

Suitable with:  Most Petroleum Oils

How to select the right Rubber material ?

Selecting the right rubber material requires careful consideration of both the application and the environment it will encounter. While some rubber compounds offer versatility, optimizing performance and longevity hinges on choosing the most suitable material. please consider below factor:

Key factors to consider when selecting rubber material:

  • Media Contact: What substances will the rubber come into contact with during use?
    This could include oil, various chemicals, or even water. Different rubber compounds offer varying degrees of resistance to these media.
  • Application Temperature: The expected temperature range the rubber will be exposed to is crucial. Some rubbers excel at high temperatures, while others maintain flexibility and integrity in cold environments.
  • Seal Type: Is the seal static (stationary) or dynamic (moving)? Dynamic seals require specific properties to handle constant movement and friction.
  • Seal Location: Will the seal be used on a surface or a shaft? Surface seals prioritize compression and conformability, while shaft seals need to accommodate rotation and resist wear.

Working Condition Considerations:

If you’re unsure about the ideal material based on the above factors, consider your application’s working conditions. Specifying the working temperature and working medium (oil, seawater, solvent, etc.) will enable a more targeted recommendation.

By consulting a specialist like Yoson, you can ensure you identify the most effective and cost-efficient rubber material for your specific needs.

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