T/SZGM 001-2020 Active Group standards

T/SZGM 001-2020 Gold and silver inlaid silk products (precious gemstone category)

Publish Date: 2020-12-21 Implement Date: 2021-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/SZGM 001-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Other non-metallic minerals

ICS Name: Jewelry

Publish Date: 2020-12-21

Implement Date: 2021-01-01

Scope

Scope: This standard specifies the terms and definitions, product classification, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for gold and silver inlaid products (jewelry and jade products). This standard applies to gold and silver inlaid products made from various natural gemstones using traditional processing techniques from Suzhou. Main technical contents: 1. Jewelry and jade products shall be made from natural materials and shall not use artificial gemstones, in accordance with the provisions of GB/T 16552 for natural jewelry and jade products. 2. Precious metals such as gold and silver shall be made from pure gold and pure silver materials, and the corresponding precious metal purity shall not be less than 990‰. 3. The inlay shall be uniform, with a reasonable layout, complete shapes, clear lines, and lifelike images; it shall adhere tightly to the jade surface, have a natural transition, clear layers, and no defects such as loose threads, misalignment, displacement, inclusion, cracks, collapse, or looseness. 4. When using quality as the basis for settlement, the allowable deviation in product quality measurement shall be ±0.01g.