QB/T 1901.3-1999
Gold alloy coatings for watch cases and accessories - Part 3: Wear resistance tests of coatings on reference blocks (English Version)

Standard No.

QB/T 1901.3-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Light Industry

Status

Withdraw 2010-02

Latest

QB/T 1901.3-1999

Scope

This standard specifies two test methods for determining the wear resistance of gold alloy coatings. The test methods of this standard are applicable to standard sample blocks, and do not directly test the actual gold alloy coating. The quality level of the physical coating is compared with the standard sample block.

QB/T 1901.3-1999 history

• 1999 QB/T 1901.3-1999 Gold alloy coatings for watch cases and accessories - Part 3: Wear resistance tests of coatings on reference blocks