Together with ISO 815-1, ISO 815-2 cancels and replaces ISO 815:1991, as well as Technical Corrigendum
ISO 815:1991/Cor.1:1993, which have been technically revised. The main modifications concern changes in
tolerances to improve the precision of the test method. In addition, a new compression assembly has been
specified which makes it possible to perform all measurements inside the low-temperature cabinet without
moving the test pieces or opening the cabinet door.