Watch-cases and accessories. Gold alloy coverings - Determination of fineness, thickness, corrosion resistance and adhesion Ingestion-build-221493 Using BS EN IEC 62325‑503

Using BS EN IEC 62325‑503 you can specify a standard for a communication platform that every Transmission System Operator (TSO) in Europe can use to exchange reliably and securely documents for the energy market

screws and nuts for

Why should you use BS EN 16523‑2- Test method for permeation by potentially hazardous gaseous chemicals

NOTE Until EN 10056‑1 is published

Watch-cases and accessories. Gold alloy coverings - Determination of fineness, thickness, corrosion resistance and adhesion Ingestion-build-221493 Using BS EN IEC 62325‑5031 Scope This part of ISO 3160 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. This part of ISO 3160 applies to all gold alloy coverings specified in ISO 31601.