GB/T 32366-2025 English PDF

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GB/T 32366-2025: Biodegradable poly(butylene adipate terephthalate)(PBAT)
Status: Valid

GB/T 32366: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 32366-2025	279	Add to Cart	3 days	Biodegradable poly(butylene adipate terephthalate)(PBAT)	Valid
GB/T 32366-2015	239	Add to Cart	3 days	Biodegradable poly (butylene adipate terephthalate) (PBAT)	Valid

Similar standards

GB/T 37427   GB/T 33609   GB/T 32363.2   GB/T 32363.1   

Basic data

Standard ID: GB/T 32366-2025 (GB/T32366-2025)
Description (Translated English): Biodegradable poly(butylene adipate terephthalate)(PBAT)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G32
Classification of International Standard: 83.080.01
Word Count Estimation: 14,182
Date of Issue: 2025-03-28
Date of Implementation: 10/1/2025
Older Standard (superseded by this standard): GB/T 32366-2015
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 32366-2025: Biodegradable poly(butylene adipate terephthalate)(PBAT)

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
CCSG32 National Standard of the People's Republic of China Replace GB/T 32366-2015 Biodegradable Polybutylene Terephthalate-Adipate (PBAT) Released on 2025-03-28 2025-10-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

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. This document replaces GB/T 32366-2015 "Biodegradable Polybutylene Terephthalate-Adipate (PBAT)" and Compared with GB/T 32366-2015, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) Added a chapter on “Classification” (see Chapter 4); b) The "sensory" requirement has been changed, and the requirement of "no mechanical impurities and no visible black spots" has been added; (see 5.1, 3.1 of the.2015 edition); c) Changed "Physical and Chemical Properties" (see 5.2, 3.2 of the.2015 edition). changed "moisture content" to "water content" (see Table 1 in 5.2 No. 2, No. 4 in Table 1 of 3.2 of the.2015 edition), change "tensile strength at break" to "tensile stress at break" (see Table 1 of 5.2 No. 6, No. 7 in Table 1 of 3.2 of the.2015 edition), change "tensile strain at break" to "tensile strain at break" (see 5.2 Table 1, No. 7, Table 1, No. 8 in 3.2 of the.2015 edition), deleted "flexural strength", "flexural modulus" and "Vicat softening point" (see In the.2015 edition, Table 1, No. 9, 10, and 11 in 3.2, added “Terephthalic acid composition ratio” and “Fisheye (0.3 mm~ 2.0mm)”, “Fisheye (≥2.0mm)”, “Melt expansion ratio”, “Simply supported beam notched impact strength” requirements (see 5.2 No. 10, 11, 12, 13, 14); d) Added "aging resistance" (see 5.4); e) The “Sample Preparation” method has been changed (see 6.1, 4.1 of the.2015 edition); f) The “sensory” test method has been changed (see 6.3, 4.3 of the.2015 edition); g) The test method for “carboxyl content” has been changed (see 6.11, 4.8 of the.2015 edition); h) The test method of “tensile breaking stress and tensile breaking strain” has been changed (see 6.9, 4.10 of the.2015 edition); i) Deleted the test methods of “flexural strength and flexural modulus” and “Vicat softening point” (see 4.9, 4.11, 4.12 of the.2015 edition); j) Added “Terephthalic acid composition ratio”, “Fisheye”, “Melt expansion ratio”, “Simply supported beam notched impact strength”, “Hydrolysis resistance”, “Light aging resistance” "Chemical" test method (see 6.12~6.15, 6.17, 6.18). 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 was proposed and coordinated by the National Technical Committee for Standardization of Bio-based Materials and Degradable Products (SAC/TC380). This document was drafted by. Beijing Technology and Business University, Red Avenue Chemical (China) Co., Ltd., Yangzhou Huitong Technology Co., Ltd., Zhuhai Jinfa Biomaterials Co., Ltd., Jinhui Zhaolong High-tech Co., Ltd., Shanghai Hongrui Biotechnology Co., Ltd., Xinjiang Lanshan Tunhe Technology Co., Ltd., Shandong Ruian Biotechnology Co., Ltd., Shandong Dawn Degradable Materials Co., Ltd., Shanghai Juyou Chemical Co., Ltd., Sinochem Learn from Donghua Tianye New Materials Co., Ltd., Sinopec Yizheng Chemical Fiber Co., Ltd., Huafeng Group Co., Ltd., Hubei Yihua Degradable New Materials Materials Co., Ltd., Gansu Mogao Juhe Environmental Protection New Materials Technology Co., Ltd., Zhejiang Lvhe Ecological Technology Co., Ltd., Wanhua Chemical Group Co., Ltd., Zhejiang Huafa Ecological Technology Co., Ltd., Sinopec (Dalian) Petrochemical Research Institute Co., Ltd., Ningbo Jialian Technology Co., Ltd. Co., Ltd., Tsinghua University, Sichuan University, Yangzhou Huitong New Materials Co., Ltd., Hefei Hengxin Life Science and Technology Co., Ltd., Zhejiang Hai Zheng Biomaterials Co., Ltd., Shenzhen Hongcai New Materials Technology Co., Ltd., Guizhou Tobacco Science Research Institute, Fuling Technology Co., Ltd. Company, Guangdong Chongxi Environmental Protection Technology Co., Ltd., Anhui Huachi Environmental Protection Technology Co., Ltd., Light Industry Plastic Processing Application Research Institute, Wuxi Huachen Mechanical and Electrical Industry Co., Ltd., Pulisi Biotechnology Co., Ltd., Henan Longdu Tianren Biomaterials Co., Ltd., Shanxi Huayang New Materials Co., Ltd. Ltd. The main drafters of this document are. Hu Jing, Zhang Qian, Zhao Yanchao, Zhang Yuesheng, Huang Jian, Fan Wuyuan, Xu Youli, Ding Jianping, An Shuyi, Li Zonghua, Ding Yanghuiqin, Liu Jianhua, Zhang Bao, Liu Jun, Shi Lufei, Zhu Jingli, Zhang Yuanhua, Song Aihua, Bi Zhiliang, Ye Xinghu, Mi Kejun, Ma Ning, Sun Yuanzheng, Lü Shafeng, Zhou Feng, Liao Sha, Wang Xiong, Guo Baohua, Wang Yuzhong, Shen Kunliang, Yan Deping, Zhang Fuxiang, Ruan Zhaolu, Yang Hong, Gao Weichang, Hu Xinfu, Tao Yang, Wei Jie, Wang Chunqiu, Li Ziyi, Deng Jianping, Yu Lihua, Yang Tao, Zhang Yongsheng, Zhao Zhongchao, Tong Mingquan. The previous versions of this document and the documents it replaces are as follows. ---First published in.2015 as GB/T 32366-2015; --- This is the first revision. Biodegradable Polybutylene Terephthalate-Adipate (PBAT)

1 Scope

This document specifies the classification, requirements, inspection and It describes the test rules, marking, packaging, transportation and storage, and the corresponding test methods. This document is applicable to the direct polycondensation method or chain extension method using terephthalic acid (or its dimethyl ester), adipic acid, and 1,4-butanediol as the main raw materials. Produced polybutylene terephthalate adipate resin.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 601-2016 Preparation of standard titration solutions for chemical reagents GB/T 1033.1 Plastics - Determination of density of non-cellular plastics - Part 1.Immersion method, liquid pycnometer method and titration method GB/T 1040.2-2022 Determination of tensile properties of plastics Part 2.Test conditions for molded and extruded plastics GB/T 1043.1-2008 Determination of impact properties of simply supported plastic beams Part 1.Non-instrumented impact test GB/T 2547 Plastics Sampling Method GB/T 2918 Standard environment for conditioning and testing of plastic specimens GB/T 3682.1-2018 Plastics Thermoplastics Melt Mass Flow Rate (MFR) and Melt Volume Flow Rate (MVR) Determination of part 1.standard method GB/T 3682.2-2018 Plastics Thermoplastics Melt Mass Flow Rate (MFR) and Melt Volume Flow Rate (MVR) Determination of temperature and humidity - Part 2.Test methods for materials sensitive to time-temperature history and/or humidity GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 9345.1 Determination of ash content in plastics Part 1.General method GB/T 11115-2009 Polyethylene (PE) resin GB/T 12006.2-2009 Plastics Polyamides Part 2.Determination of moisture content GB/T 14190-2017 Test method for fiber-grade polyester (PET) chips GB/T 16422.2-2022 Plastics laboratory light source exposure test method Part 2.Xenon arc lamp GB/T 17037.1 Plastics - Preparation of injection moulded test specimens for thermoplastic materials - Part 1.General principles and multi-purpose test specimens and long Preparation of strip specimens GB/T 19466.3 Plastics Differential Scanning Calorimetry (DSC) Part 3.Determination of Melting and Crystallization Temperature and Enthalpy GB/T 41010 Degradation performance and labeling requirements for biodegradable plastics and products

3 Terms and definitions

The following terms and definitions apply to this document. ......

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