Do the EZ cups meet the requirements of ASTM Method D-4212?
A. Yes. This cup was designed specifically to meet the requirements of ASTM Method D-4212 in all respects. This step was taken to permit retention of the standard established for the Zahn Signature Series and also provide a similar series of cups of highest quality with improved design, standardized with compliance to D-4212. EZ cups have a tolerance within 3%.