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GB/T 38020.2-2019 Active
GB/T 38020.2-2019 Watch-cases and accessories—Gold alloy coverings—Part 2:Determination of fineness,thickness,corrosion resistance and adhesion
Abstract
This part of GB/T 38020 specifies the testing methods for the purity, thickness, corrosion resistance, and adhesion of gold alloy coatings on watch cases and their accessories, including watchbands that cannot be removed from the watch case.
The tests in this part are only applicable to effective surfaces.
This part applies to all gold alloy coatings specified in GB/T 38020.1.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 38020.2-2019 |
| CCS | Clocks and watches |
| ICS | \nWatch |
| Implement Date | 2020-03-01 |
Price
$ 66
Subtotal
$ 66
Tax
$ 0.00
Order Total (incl. tax)
$ 66