Iimpawu ezibunjiweyo zilinganiswe kwisampuli ebunjiweyo ye-4 mm (157.5 mil) ubukhulu obusekwe kwi-ISO 294-1.
Ukulungiswa kwesampulu yobushushu bokujika kobushushu, inaliti isekelwe kwi-ISO1872. Ivavanywe indawo ethe tyaba enobukhulu besampuli obuyi-80mm x 10mm x 4mm.
I-ESCR ilinganiswe kwi-2 mm (78.7 mil) thick compression molded plate (F50, 10% Igepal, 50℃, 122°F)