GB/T 45887-2025Refined Chinese lacquer (English PDF)

精制生漆

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

June 30, 2025

Implementation date

January 1, 2026

Scope

GB/T 45887-2025 is the English-translated version of 精制生漆.

GB/T 45887-2025 is the Chinese national standard covering the sap of the lacquer tree after refining, ready to be brushed onto a surface — the raw lacquer it starts from, the quality requirements of Table 1 covering the non-volatile matter and the gloss of the dried film, the sampling and the test methods, the inspection rules, and the marking, instructions for use, packaging, storage and transport that keep a coating material from curing in the drum. First edition, under the All China Federation of Supply and Marketing Cooperatives. In force from 1 January 2026. Issued on 30 June 2025, it has been in force since 1 January 2026.

Document preview — GB/T 45887-2025

National Standard of the People's Republic of China

ICS: 65.050

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Quality and technical requirements
4.1 Raw materials
4.2 Refined lacquer

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document is proposed and coordinated by the China Federation of Supply and Marketing Cooperatives.

This document was drafted by: Xi'an Lacquer and Paint Research Institute of China National Federation of Supply and Marketing Cooperatives, Shaanxi Zhonghe Co-creation Technology Service Co., Ltd., Wuhan National Lacquer Co., Ltd., Shaanxi Zhuomeng Trading Co., Ltd., Jishan Mother-of-pearl Lacquerware Research Center, Ningbo Vocational and Technical College, Enshi Prefecture Lacquerwood Crafts Co., Ltd., Minjiang University, Shaanxi Zhonghe Guoqi Technology Service Co., Ltd., and Hubei Baqi Industrial Development Co., Ltd.

The main drafters of this document are: Zhao Rui, Ren Hongyan, Li Dongxu, He Na, Zhang Tingting, Li Aiyuan, Li Yan, Zhang Juanni, Ding Fangyu, Ren Zhuomeng, Xu Yanlian, Song Ruixue, Zhu Ruifeng, Zhao Xiaole, Ma Jing, Qian Zhichu, Zhu Li, Xu Jingwen, Li Shuyun, Zhang Nanchen, Sun Wenjuan, Ding Menglong, Li Mengsi, Zhang Feilong. Refined lacquer

1 Scope

This document specifies the quality technical requirements, inspection rules, labeling, instructions for use, packaging, storage and transportation of refined raw lacquer, and describes the relevant Appropriate test method.

This document applies to the production and testing of refined raw lacquer obtained through the refining process of raw lacquer.

2 Normative references

GB/T 1725

GB/T 3186

GB/T 9750

GB/T 9754

GB/T 14703

GB/T 40490-2021

3 Terms and Definitions

The terms and definitions defined in GB/T 40490-2021 apply to this document.

4 Quality and technical requirements

4.1 Raw materials

The quality of raw lacquer shall comply with GB/T 14703.

4.2 Refined lacquer

The technical requirements for the quality of refined raw lacquer shall comply with the provisions of Table 1.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 1725 · GB/T 3186 · GB/T 9754

Editions of GB/T 45887

Edition	Title	Revision	Status
GB/T 45887-2025	Refined Chinese lacquer	current edition	Current

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