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GB/T 46256-2025Biobased materials and products — Biobased content and traceability labeling requirements (English PDF)

生物基材料与制品生物基含量及溯源标识要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 29, 2025

Implementation date

March 1, 2026

Scope

GB/T 46256-2025 is the English-translated version of 生物基材料与制品生物基含量及溯源标识要求.

GB/T 46256-2025 is the Chinese national standard covering what a maker may put on a package that claims to be bio-based — the biobased content defined as the share of the total organic carbon that comes from living matter rather than from fossil sources, measured against a modern carbon reference, the wording of the label with the material, the product standard number and the measured value, and the graphical symbol that carries the claim. First edition, in force from 1 March 2026. Issued on 29 August 2025, it has been in force since 1 March 2026.

Document preview — GB/T 46256-2025

National Standard of the People's Republic of China

ICS: 83.140
Classification: G 33

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

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
3.1 biobased content
4 Traceability Identification
4.1 Text Labels
4.2 Graphical Symbols

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents". Drafting.

Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.

This document was proposed and is under the jurisdiction of the National Technical Committee on Standardization of Bio-based Materials and Degradable Products (SAC/TC380).

This document was drafted by: Beijing Technology and Business University, Chongqing Lianfa Plastics Technology Co., Ltd., and Anhui Fengyuan Biotechnology Co., Ltd.

The company, Zhejiang Hisun Biomaterials Co., Ltd., Yuansu Huitong New Materials (Yangzhou) Co., Ltd., and Hefei Hengxin Life Technology Co., Ltd.

The company, Yangzhou Huitong Technology Co., Ltd., Ningbo Jialian Technology Co., Ltd., Guangdong Chongxi Environmental Protection Technology Co., Ltd., and Fuling Technology.

Joint-stock company, Sichuan University, Anhui Huachi Environmental Protection Technology Co., Ltd., Beijing Fengdelanzhi Packaging Technology Co., Ltd., Tsinghua University Huitong Beigong Biotechnology (Beijing) Co., Ltd., Shenzhen Guanghua Weiye Co., Ltd., Zhejiang Lvhe Ecological Technology Co., Ltd.

Zhejiang Huafa Ecological Technology Co., Ltd., Shenzhen Wandajie Environmental Protection New Materials Co., Ltd., Tongcheng Chemical (China) Co., Ltd., Beijing Micro Gougongchang Biotechnology Co., Ltd., Beijing Yonghua Qingtian Technology Development Co., Ltd., Zhuhai Kingfa Biomaterials Co., Ltd., Henan Longdutian Ren Biomaterials Co., Ltd., Pulis Biotechnology Co., Ltd., Zhonghua Donghua Tianye New Materials Co., Ltd., and Jinhui Zhaolong High-tech Co., Ltd.

Joint-stock limited companies, Shanghai Hongrui Biotechnology Co., Ltd., Xinjiang Lanshan Tunhe Chemical Co., Ltd., Shandong Ruian Biotechnology Co., Ltd.

The company, Shandong Dawn Polyester New Materials Co., Ltd., Gansu Mogao Polyhe Environmental Protection New Materials Technology Co., Ltd., Huafeng Group Co., Ltd., China Petrochemical Yizheng Chemical Fiber Co., Ltd., Hubei Yihua Degradable New Materials Co., Ltd., Anhui Hengxin Environmental Protection New Materials Co., Ltd., Jiangxi Xuanpin New Materials Co., Ltd., Shanghai Juyou Chemical Co., Ltd., Wanhua Chemical Group Co., Ltd., Sinopec (Dalian) Petrochemical Research Institute Limited Liability Company, Shenzhen Hongcai New Materials Technology Co., Ltd., Guizhou Provincial Tobacco Science Research Institute, Yingkou Zhengda Industrial Co., Ltd., CSSC Pengli (Nanjing) Shaping Technology Co., Ltd., Ma'anshan Tongjieliang Biomaterials Co., Ltd., Shenzhen Zhengwang Environmental Protection New Materials Co., Ltd., Huizhou Jun Er Plastics Technology Co., Ltd., Nanjing University of Technology, Jiangsu Zhongjiang Tai'a Bio-based Materials Co., Ltd., Jiangsu Tai'a Biotechnology Co., Ltd.

Zhangjiagang Feihang Technology Co., Ltd., Nanjing Advanced Biomaterials and Process Equipment Research Institute Co., Ltd., and Shaanxi Youfu Environmental Protection Technology Co., Ltd.

Company, Anhui Green Energy Technology Research Institute Co., Ltd., Zhangzhou Green Plastic New Materials Co., Ltd., Zhangzhou Jiean Plastics Co., Ltd., Zhuhai Yikede Environmental Protection Co., Ltd.

Baoxin Materials Co., Ltd., Wuhan Fancheng New Materials Co., Ltd., Bengbu Municipal Market Supervision Administration, Hubei Chuangxiang 3D Technology Co., Ltd.

Shenzhen Chuangxiang Ecological Innovation Technology Co., Ltd., Element Driven (Hangzhou) Biotechnology Co., Ltd., Light Industry Plastics Processing and Application Research Institute Jiangsu Xinruibei Biotechnology Co., Ltd.

The main drafters of this document are: Weng Yunxuan, Diao Xiaoqian, Zhou Jiushou, Ji Chuanxia, Li Weimin, Wei Wei, Chen Zhiming, Shen Kunliang, Yan Deping, and Zhang Yuesheng.

Shangguan Wei, Wei Jie, Jiang Guilan, Wang Yuzhong, Li Xingliang, Wang Chunqiu, Xu Jingmei, Guo Baohua, Chen Guoqiang, Jiang Suchen, Yang Yihu, Mi Kejun, Sun Yuanzheng Lü Shafeng, Wei Da, Zhao Yanchao, Wu Fuqing, Liu Yunqiao, Huang Jian, Ruan Liuwen, Li Huiwen, Li Rongqun, Yu Lihua, Zhang Bao, Liu Jun, Fan Wuyuan, Xu Youli Ding Jianping, An Shuyi, Li Zonghua, Bi Zhiliang, Ye Xinghu, Zhu Jingli, Zhang Yuanhua, Shi Lufei, Song Aihua, Wang Chunxia, Ye Xinjian, Wang Peng Ding Yanghuiqin, Liu Jianhua, Ma Ning, Zhou Feng, Liao Sha, Yang Hong, Gao Weichang, Zheng Weichun, Dai Chunfa, Wang Qinfeng, Ren Jie, Zhang Jianhong, Zhao Yingjie Guo Kai, Zhou Xin, Zhou Luke, Tao Junjie, Shen Lei, Yang Jialing, Zan Xiangming, Xu Yanlong, Liu Zhizhong, Chen Xichang, Zhang Libin, Wu Jing, Liu Meijiao, Yang Chengliang Liu Minhao, Li Ziyi, Chu Xin.

Bio-based materials and products Bio-based content and traceability labeling requirements

1 Scope

This document specifies the bio-based content of bio-based materials and products and the requirements for traceability labeling of their bio-based content.

This document applies to all types of bio-based materials and products made from them.

2 Normative references

GB/T 1844.2

GB/T 39514

3 Terms and Definitions

The terms and definitions defined in GB/T 39514 and the following terms and definitions apply to this document.

3.1 biobased content

The content of bio-based carbon in the total organic carbon of the sample.

Note. Bio-based content is expressed as a percentage of the ratio of the radioactivity of organic carbon per unit mass of sample to the radioactivity of organic carbon per unit mass of a modern carbon reference material. Represented as a fraction.

4 Traceability Identification

4.1 Text Labels

The text labeling of bio-based materials and products should include the following.

a) Material;

b) Product standard number;

c) Product Name;

d) Measured value of bio-based content.

4.2 Graphical Symbols

The graphic symbols for bio-based materials and products shall be as specified in Figure 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 39514Terminology,defination, identification of biobased materials

GB/T 1844.2

Editions of GB/T 46256

Edition	Title	Revision	Status
GB/T 46256-2025	Biobased materials and products - Biobased content and traceability labeling requirements	current edition	Current

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