June 30, 2021 fibcore ISO 21898 Comments Off on Revision of ISO 21898, document date 2021-03-12- provided by ISO/TC 122/SC 3 N 926 Revision of ISO 21898, document date 2021-03-12- provided by ISO/TC 122/SC 3 N 926 A recently initiated ballot for registration of work item for the revision of ISO 21898-2004 proposed a significant change of this norm aiming to revise the UV test procedure in the annex A of this norm… Read more