Izakhiwo ezibunjiwe zalinganiswa ngesampula ebunjiwe yomjovo engu-4 mm (157.5 mil) obukhulu ngokusekelwe ku-ISO 294-1.
Ukulungiswa kwesampula yokushisa kwe-Heat Deflection, umjovo osekelwe ku-ISO1872. Kuhlolwe indawo eqondile enosayizi wesampula ongu-80mm x 10mm x 4mm.
I-ESCR ilinganiswe kupuleti elibunjiwe elicindezelwe elingu-2 mm (78.7 mil) ubukhulu (F50, 10% Igepal, 50℃, 122°F)