ISO 3452-3:1998, Non-destructive testing -- Penetrant testing -- Part 3: Reference test blocks

This European standard describes two types of reference blocks:Type 1 reference blocks are used to determine the sensitivity levels of both fluorescent and colour contrast penetrant product families; Type 2 reference blocks are used for routine assessment of the performance of both fluorescent and colour contrast penetrant facilities and part-used containers. The reference blocks are used in the same conditions as the pieces to be tested according to EN 571-1. This title may contain less than 24 pages of technical content.