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Nylon66 melts at temperatures from 255 to 265 degrees C, or 491 to 509 degrees F. This is important, so remember it. Tensile strength is 13,700psi, and even higher in 50% humidity, at 17,000psi. This is also important. Yet another property we'll care about later is it's elongation at the break point. This is described in simple terms how much it stretches before it breaks. Dry rating is 15-80%, and at 50% humidity, it runs 150-300% (at the break when stressed). This might be important information in an application where it's subjected to water. Nylon66's acid resistance is a more difficult story. It boils down to what kind of acid we're talking about. Nylon66 isn't 'Acid Resistant. While it resists SOME acids, it's not considered 'acid resistant'. Nylon66 to several common acids is poor. We're concentrating for now on Nylon66 as the carrier (main frame of the gasket) rather than the silicone-based rubber tracings of the gasket, as it's very obvious in a failed gasket that the Nylon, for whatever reason, just plain seperated. If you have ever changed one you would surely know what I am referring to.
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