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O Ring Design
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O-Ring Material Selection Guide

Screen O-ring elastomers by media, temperature, hardness and duty, then continue to the Material Center for detailed material-family guidance.

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How to choose an O-ring material

First exclude materials that are incompatible with the fluid, then check continuous and peak temperature, pressure, static or dynamic duty, hardness and regulatory requirements. A polymer family is a screening level; confirm the final compound with supplier data and representative fluid testing.

Explore the Material Center

Browse the existing FKM, FFKM, NBR, EPDM, HNBR, VMQ and other material guides to compare temperature range, compatibility, strengths, limitations and applications.

Material Center