21/30432859 DC

This standard 21/30432859 DC BS EN 1978. Copper and copper alloys. Copper cathodes is classified in these ICS categories:

• 77.150.30 Copper products

This document specifies the composition and property requirements for cathodes of two copper grades, designated Cu-CATH-1 (CR001A) and Cu-CATH-2 (CR002A).

Annex A (normative) describes methods for sampling cathodes for use in cases of dispute between the purchaser and the supplier. Annex B (informative) gives information on the relationships between electrical resistivity and conductivity of copper.