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What is the difference between wet and dry vacuum impregnation?

April 26, 2017dry impregnation vacuum wet

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What is the difference between wet and dry vacuum impregnation?

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Wet vacuum impregnation is the workload is directly placed into the sealant within the autoclave and a vacuum is pulled through the sealant. When using dry vacuum impregnation the workload is placed into an empty autoclave, the vacuum is achieved first then the sealant is admitted to the autoclave before returning the autoclave to atmospheric pressure.