„With no blank of the different batches we could find any defects (pores, inclucions) during our investigation…
All blanks show homogeneous material distribution. No indication for any significant quality differences between the different batches could be found“.

Dipl.-Ing. Sebastian Pollmanns
of WZL (Werkzeugmaschinenlabor)
of RWTH Aachen University

Microscopic image of 6 x 9 = 54 MANT pcd 
type MSD-15 prepared for RCT inspection

RCT-picture of this sample, basic level indicated

RCT-picture of the indicated level