prEN ISO 3452-3 rev

Non-destructive testing — Penetrant testing — Part 3: Reference test blocks

Scope

ISO 3452-3:2013 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 testing.
The reference blocks are to be used in accordance with ISO 3452-1:2013.