M00000472
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ISO DIS 8289-2 2018 Edition, March 8, 2018 Vitreous and porcelain enamels - Low-voltage test for detecting and locating defects - Part 2: Slurry test for profile surfaces
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Availability date: 07/13/2021
Description / Abstract:
This standard specifies a low-voltage test method for detecting and locating defects (pores, cracks or pop-offs) which occur in enamel coatings of corrugated and/or undulated profiles and which extend down to the metal base.
The method is based on colour effects (optical method) and is suitable for the precise detection of defects and their exact position. It can be used for non-flat, more profiled shapes such as corrugated or undulated surfaces.
NOTE The low-voltage test is a non-destructive test for detecting defects extending down to the metal base and, therefore, is completely different in comparison to the high-voltage test according to ISO 2746.