Expansion Coupling Usage Guide - Cantex PVC Electrical ...
2018-8-23 · tion of polyvinyl chloride (PVC), these temperature changes affect PVC more than traditional materials such as steel or aluminum. The coeffi-cient of thermal expansion for PVC, for example, is 3.38 x 10-5 in./in./°F, which is almost three times as high as for aluminum and six times as high as for steel. Thermal expansion and contraction
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