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O-ring Tempurature Guide

Web Seal Inc.
Rochester, NY

800.366.1320 sales@websealinc.com


Material Temperature Guide

Recommended O-ring application service temperature limits for basic polymer types.

Degrees in

Fahrenheit (F)

Degrees in

Celsius  (C)

Polymer Type

    25 to 450

  - 4 to 232

AFLAS

  - 75 to 250

- 59 to 120

Butyl

  - 70 to 250

- 57 to 121

Ethylene Propylene

  - 15 to 400

- 26 to 205

Fluorocarbon

- 100 to 350

- 73 to 177

Fluorosilicone

  - 15 to 400

- 26 to 205

Hifluor

  - 23 to 300

- 32 to 149

Hydrogenated Nitrile

  - 35 to 225

- 37 to 107

Neoprene

  - 30 to 250

- 34 to 121

Nitrile

(General Service)

  - 65 to 225

- 55 to 107

Nitrile

(Low Temperature)

  - 15 to 500

- 26 to 260

Perfluoroelastomer

(Parofluor)

    - 5 to 350

- 21 to 177

Polyacrylate

  - 40 to 180

- 40 to  82

Polyurethane

  - 65 to 450

- 54 to 232

Silicone

Source:  Parker Hannifin Corporation O-Ring Division

Remember:  Always test under actual service conditions!