Watch-cases and accessories -- Gold alloy coverings -- Part 2: Determination of fineness, thickness, corrosion resistance and adhesion
Это стандарт пересмотрен ISO 3160-2:2015.
ISO 3160-2:2003 specifies methods to determine fineness, thickness, corrosion resistance and adhesion for gold alloy coverings on watch-cases and accessories, including bracelets when they are permanently attached to the case.
The tests apply only to significant surfaces.
ISO 3160-2:2003 applies to all gold alloy coverings specified in ISO 3160-1.