PWIS

PWIS stands for Paint Wetting Impairment Substances. The terms covers all problems encountered in the coating of surfaces. On almost all products, whether recently manufactured or from storage, there are – usually invisible – deposits which prevent coats from adhering: greases, oils, silicones, moisture, oxidation layers. By means of plasma cleaning , these deposits can be removed to make surfaces PWIS-free. To check the surfaces after cleaning and before painting, Diener electronic developed a PWIS test set .

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