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O rings uk 21.95mm ID x 1.78mm CS PTFE

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Quick Overview

British Standard O-ring size:21.95mm ID x 1.78mm CS PTFE

oring plastic O rings - BS020PT at Polymax

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  • oring plastic O rings - BS020PT at Polymax
  • oring plastic O rings - BS020PT at Polymax

Details

PTFE is a highly resilient O-ring material unaffected by virtually all known acids, alkalis and solvents. It is tough, abrasion resistant and capable of withstanding temperatures between -200°C to +250°C. It also possesses outstanding weather, ozone and electrical resistance. For this reason, it is the O ring of choice for use in aerospace, food, pharmaceuticals and telecommunications industries. PTFE O-rings could be a more economical alternative to FFKM materials, but they are not easily compressed and have little memory to be able to return to their original form. This can be a disadvantage if under permanent strain and may not create the best lasting seal.

Additional Information

Colour Black
Material PTFE
Internal Diameter (mm) 21.9500
CS value 1.7800
Cross Section Type Circular
O-ring type British Standard
Maximum Temperature (°C) 250.0000
Minimum Temperature (°C) -200.0000
*Dimensions can vary, they are typical only.

Further Information (file downloads)

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