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O-Ring, Solid White PTFE Size: 018, Part Number: ORTFE018 (Min Qty: 15)

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  • O-Ring, White PTFE/PTFE/TFE Size: 018, Durometer: 75 Nominal Dimensions: Inner Diameter: 17/23(0.739) Inches (1.87706Cm), Outer Diameter: 29/33(0.879) Inches (2.23266Cm), Cross Section: 4/57(0.07) Inches (1.78mm) Part Number: ORTFE018
Minimum Purchase:
15 unit(s)

 Product Description

Pure PTFE "O" Rings consist of polytetrafluoroethylene (PTFE), a solid polymer that is considered to be one of the world's most non-sticky polymers. PTFE, can withstand aggressive environments, high temperatures, high pressures and dry running that traditional radial shaft seals made of elastomeric sealing materials cannot withstand. Temperature Range: Low Temp: -200°C (-328°F) to High Temp: 260°C (500°F)

  • Pure PTFE O-Rings are highly resistant to extreme chemical attacks and have a high resistance to the degrading effects of exposure to such solvents as acetone, MEK, and xylene.
  • Temperature Range: -300° to +450°F. Hardness (Shore A): 98, high resistance to ozone.
  • TFE "O" Rings possess average elastomer characteristics of 2,500 to 3,500 psi tensile strength, and 300% elongation, they are tough, impact resistant, low friction, non-twisting performers over an extremely wide temperature range.
  • Special care must be taken during handling and installation of PTFE seals. They won't stretch to fit like traditional elastomeric "O" Rings.
  • PTFE "O" Rings have a service temperature range of -250°F (–157°C) to 450°F (232°C).


Inner Diameter: 17/23 (0.739) Inches (1cm 8.77mm)

Outer Diameter: 29/33 (0.879) Inches (2cm 2.33mm)

Cross Section: 4/57 (0.07) Inches (1.78mm)

Amazon Part Number (ASIN): B01824CK9E

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