APG Knowledge Center

June 24, 2024

The Humble O-Ring: A Small Component with a Big Impact

Though small and seemingly simple, the O-ring is a critical component in a wide range of...

April 23, 2024

Fluoroelastomer Fact Sheet

Trade Names: Viton (E.I. DuPont), Fluorel (3M)

Fluoroelastomer rubber (Viton) performs well in many different...

May 1, 2022

Updated: November 2023

FKM (Viton™) and Nitrile (NBR) are two of the most used elastomers for sealing applications. These materials are suited for...

July 8, 2021

Back Up Rings

Backup rings are commonly installed with rubber o-rings to help improve their performance. These rings are designed to limit...

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