A special treatment of the surface of the permanently magnetized metal disk produces a net of natural, coarse (produced by sanding) and fine (tension) cracks.
The test block is used:
– for quality comparison of different magnetic particle Solutions
– for quality control during the process of magnetic particle testing, also to check the correct dosing in automatic testing machines
Delivery incl. certificate with photo.
Reference test block type 1 meets the requirements of EN ISO 9934-2.
(Reference test block is also known as MTU no. 3)