Published
This document specifies the precious metal content in solders suitable for use in the production of jewellery made of precious metal alloys.
PUBLISHED
ISO 22764:2020
90.60
Close of review
Jun 5, 2025
EN ISO 22764, Jewellery and precious metals —, Jewellery and precious metals — Fineness of solders used with precious metal jewellery alloys (ISO 22764:2020)
30.99 CD approved for registration as DIS