Environmental Factors

Chemical Compatibility

Regardless of all other critical design factors, if the basic composition of the O-ring material is not compatible with its chemical environment, the O-ring will eventually fail.

A primary step in O-ring selection, therefore, is to match your application's chemicals with the O-ring material that offers the best chemical resistance. To do this, refer to the Chemical Compatibility Table in section 6.

Featured Article

Case Study: Phenyl Silicone Seal for Extreme Low Temperature

Case Study: Phenyl Silicone Seal for Extreme Low Temperature

Recently, one of our customers contacted us about a problem she was having with an O-Ring that sits on a siphon neck of a liquid nitrogen dewar. Here's what we did to help her.

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