Pre-magnetised two-sided MTU block for testing magnetic inks. Used to check the sensitivity of magnetic particle materials, assess material degradation, and assess bath contamination. Each block has a unique crack pattern with a variety of indications in a range of sizes which mimics natural cracking.
Can be used with fluorescent or standard visible particle black inks and contrast paints, no magnetic source is needed.
Other types of blocks can be sourced and we have a range of MPI products available, please contact us for further information.