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WHAT IS COMPRESSION SET?

April 26, 2017compression

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WHAT IS COMPRESSION SET?

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Compression set is the decrease in thickness of a rubber specimen, which has been deformed under specific conditions of load, time and temperature.

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Compression set is permanent deformation remaining after release of a compressive stress. Compression set is expressed as the percentage of the original material thickness after the compressive force is removed. For practical purposes in joint sealants, compression set is the amount of the original size of the material that is permanently lost after compression or cycles of compression over a temperature range that the product will likely see in normal use.