T/SZS 4067-2023 Active Group standards

T/SZS 4067-2023 The evaluation method for the thickness of pearl layer

Publish Date: 2023-02-16 Implement Date: 2023-02-17 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/SZS 4067-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Light industry, culture, and daily necessities

ICS Name: Jewelry

Publish Date: 2023-02-16

Implement Date: 2023-02-17

Scope

Scope: This document specifies the classification of pearls, the evaluation method of nacre thickness, the measurement method of nacre thickness, and reports or certificates. This document is applicable to the thickness evaluation of unmounted and mounted symmetrical cultured pearls and natural pearls. For unmounted and mounted asymmetrical pearls (such as baroque pearls), the provisions of this document shall be referenced for implementation. This document is not applicable to the thickness evaluation of processed cultured pearls and processed natural pearls. Main technical content: This document specifies the classification of pearls, the evaluation method of nacre thickness, the measurement method of nacre thickness, and reports or certificates.