DIN EN ISO 22557
Paints and varnishes - Scratch test using a spring-loaded pen (ISO 22557:2019); German version EN ISO 22557:2020
Beschichtungsstoffe - Kratzprüfung mit einem Härteprüfstab (ISO 22557:2019); Deutsche Fassung EN ISO 22557:2020
Document: references other documents
Responsible national committee
NA 002-00-07-14 AK - Adhensive strength and hardness
Responsible european committee
CEN/TC 139 - Paints and varnishes