Storage & Shelf Life Prediction for Flange Gasket Materials

Flange gaskets are highly engineered products, and their performance depends on many factors. Certainly design, manufacture, installation, and process conditions are all critical, but so is storage before use. Gasket materials often remain in storage for a long time before they are placed into service. Unfortunately, storage practices for gasket materials are generally not optimal or controlled well enough. This article provides guidance for the storage of different gasket materials to preserve their integrity.

Gasket materials are divided into three main categories: non-metallic, semi-metallic and metallic. Non-metallic gaskets, or soft gaskets, are fabricated from materials such as rubber, fiber, polytetrafluoroethylene (PTFE) and graphite.

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