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Petroleum & Gas

High-Performance Plastic Components Stand Up to Hostile Conditions

Few industries are as demanding on their equipment as oil and gas exploration and production. Extreme temperatures, harsh environmental conditions, corrosive seawater, chemical exposure, and extraordinary friction and wear demands all add up to make uninterrupted operation one of engineering’s greatest challenges.

High-performance polymers offer many advantages over metal when used appropriately for machined components in oil and gas applications. With their light weight, cost-efficiency, durability, and resistance to heat, steam, chemicals, and corrosion, they improve performance and add exceptional value wherever they are applied: underground or in subsea systems, downhole or in rigging operations, and in exploration, oil refining, or hydraulic fracturing (fracking) operations.

PTFE

Whereas PEEK is often used as an anti-extrusion backup due to its high strength characteristics, PTFE is softer and more ductile, which causes it to expand under compressive load and create an effective seal. PTFE is often specified where other common sealing materials, like elastomers, cannot meet the thermal, chemical, or tribological (friction, lubrication, and wear) demands of the application.

Some key characteristics of PTFE:
  • Exhibits the broadest chemical resistance of any commercially available polymer, due to its simple, fully fluorinated structure
  • Maintains ductility in cryogenic environments
  • Static and dynamic coefficients of friction are functionally equivalent, resulting in virtually no observable stick-slip phenomenon
  • Absorbs only a negligible amount of moisture.
  • Common oil and gas applications of PTFE include:
  • Seal and packing components, such as O-rings, backup rings, spring-energized seals, slipper seals, and piston rings 
  • Sealing liquid natural gas or other cold media
  • Bearing and wear components (filled grades)

  • Nylon

  • Sheaves
  • Poppets
  • Wear pads
  • Various bearing components
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    Which plastic materials are right for your oil and gas application? Contact us today.

    With access to the latest high-performance materials — and the expertise to assist with selection and troubleshooting — Metal Corporation can help you with all of your oil and gas application challenges. Our technical support and friendly service will help keep your project on time, and on budget.

     

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