GB/T 32022-2015 in English

《GB/T 32022-2015贵金属覆盖层饰品》由TC256（全国首饰标准化技术委员会）归口，主管部门为中国轻工业联合会。
本标准规定了贵金属覆盖层饰品的术语和定义、产品分类及命名、通用要求、试验方法、标志、包装、搬运与贮存。
本标准适用于除贵金属(金、银、铂、钯、铑等)以外的各类金属为基材制作的金覆盖层系列、银覆盖层系列和铑覆盖层系列等饰品。以非金属为基材的贵金属覆盖层饰品可参照本标准执行。

Adornment with precious metal coating

1 Scope

This standard specifies terms and definitions, product classification and designation, general requirements, test methods, and marking, packaging, handling and storage of adornment with precious metal coating.

This standard is applicable to adornments with gold coating, silver coating or rhodium using various metals (except precious metal like gold, silver, platinum, palladium and rhodium) as substrate. It may apply to adornments with precious metal coating using non-metal as substrate as a reference.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 5270 Metallic coatings on metallic substrates - Electrodeposited and chemically deposited coatings - Review of methods available for testing adhesion
GB/T 10125 Corrosion tests in artificial atmospheres - Salt spray tests
GB/T 16921 Metallic coatings - Measurement of coating thickness - X-ray spectrometric methods
GB 28480 Adornment - Provision for limit of baneful elements
QB/T 1689 Terms of precious metal adornment
QB/T 3831 Color change and corrosion resistance test method of metallic coatings and conversion coatings - hydrogen sulfide test method

3 Terms and definitions

For the purposes of this document, the terms and definitions given in QB/T 1689 and the following apply.

3.1
adornment of precious metal coating
adornment with precious metal coating, made of various metals except precious metals (gold, silver, platinum, palladium, rhodium, etc.) as substrate by chemical, physical or other processing methods. The adornments of precious metal coating include adornment with gold coating, adornment with silver coating, and adornment with rhodium coating

 
4 Product classification and designation

4.1 The adornments of precious metal coating are classified into adornment with gold coating, adornment with silver coating, adornment with rhodium coating, etc., according to the coating material.

The adornments with gold coating are classified into adornment with micro gilded coating, adornment with thin gilded coating, adornment with gilded coating, and gold-cladding adornment according to the thickness of coating and processing methods.

The adornments with silver coating are classified into adornment with thin silver-gilt coating, adornment with silver-gilt coating, and silver-cladding adornment according to the thickness of coating and processing methods.

4.2 The designation of adornment of precious metal coating shall include the coating metal, adornment substrate, adornment name and processing method.

Example 1:

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Product classification and designation
5 General requirements
6 Test methods
7 Marking, packaging, handling and storage