Anti-extrusion protection

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Choose a 90 Shore elastomer, then search by BS reference or enter the O-Ring dimensions the Back-Up Ring needs to support.

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Back-Up Ring materials

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Nitrile 90 Shore Back-Up Rings

Nitrile 90 Back-Up Rings

Viton 90 Shore Back-Up Rings

Viton® 90 Back-Up Rings