GB/T 46576-2025Greenhouse gases - Quantification methods of carbon footprint of products - Mechanical recycling recycled plastic products (English PDF)
温室气体 产品碳足迹量化方法 物理回收再生塑料产品
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 31, 2025
Implementation date
May 1, 2026
Scope
GB/T 46576-2025 is the English-translated version of 温室气体 产品碳足迹量化方法 物理回收再生塑料产品.
GB/T 46576-2025 is the Chinese standard "Greenhouse gases - Quantification methods of carbon footprint of products - Mechanical recycling recycled plastic products".
Its scope clause reads: This document outlines the principles for quantifying the carbon footprint of physically recycled plastic products, describes the quantification methods, and specifies the procedures for preparing carbon footprint reports. content.
This document applies to the quantification of the carbon footprint of physically recycled plastic products. Its clauses include terms and definitions.
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Document preview — GB/T 46576-2025
National Standard of the People's Republic of China
- ICS
- 83.080.01
- Classification
- G 31
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1.Scope
- 2 Normative References
- 3.Terms and Definitions
- 4.Quantification Principles
- 5.Methods for quantifying the carbon footprint of physically recycled plastic products
- 6.Carbon Footprint Report of Physically Recycled Plastic Products
- Appendix A (Informative) Reference Values for Electricity Carbon Footprint Factor and Fossil Fuel Carbon Emission Factor
- Appendix B (Informative) Template 14 for Quantifying the Carbon Footprint of Physically Recycled Plastic Products
1 Scope
This document outlines the principles for quantifying the carbon footprint of physically recycled plastic products, describes the quantification methods, and specifies the procedures for preparing carbon footprint reports.
content.
This document applies to the quantification of the carbon footprint of physically recycled plastic products.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 2035 Plastics Terminology
GB/T 24044 Requirements and Guidelines for Environmental Management Life Cycle Assessment
GB/T 24050 Environmental Management Terminology
GB/T 24067 Requirements and Guidelines for Quantifying the Carbon Footprint of Greenhouse Gas Products
GB/T 32150 General Rules for Greenhouse Gas Emission Accounting and Reporting by Industrial Enterprises
3 Terms and Definitions
The terms and definitions defined in GB/T 2035, GB/T 24044, GB/T 24050, GB/T 24067, and GB/T 32150, as well as the following terms and definitions, shall apply.
Used in this document.
3.1 Waste plastic
Discarded plastic products and materials, including scraps and offcuts generated during the production and processing of plastic raw materials and products.
Scrap materials and defective products, etc.
[Source. GB/T 37821-2019, 3.1]
3.2 Product System
A collection of unit processes that have basic flow and product flow, as well as one or more specific functions, and can simulate the product lifecycle.
[Source. GB/T 24044-2008, 3.28]
3.3 Mechanical recycling
The physical treatment of waste plastics, such as sorting, washing, crushing, melting, and granulation, transforms them into recycled materials or products.
The chemical structure of the material did not change significantly during the process.
3.4
Plastics processed from waste plastics and used for their original purpose or other purposes.
GB/T 46018.1 | GB/T 46019.1 | GB/T 46020.1 | GB/T 12002 | GB 16413 | […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 2035Plastics - Vocabulary
- GB/T 24044Environmental management -- Life cycle assessment -- Requirements and guidelines
- GB/T 24050Environmental management -- Vocabulary
- GB/T 24067Greenhouse gases - Carbon footprint of products - Requirements and guidelines for quantification
- GB/T 32150General guidelines for greenhouse gas emission accounting and reporting for industrial enterprises
Editions of GB/T 46576
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 46576-2025 | Greenhouse gases - Quantification methods of carbon footprint of products - Mechanical recycling recycled plastic products | current edition | Current |
This page sells the current edition, GB/T 46576-2025. Earlier editions are listed for reference only.
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Related Standards
GB/T 2035-2024 — Plastics - Vocabulary
GB/T 20350-2006 — Product of geographical indication - Huai Radix Rehmanniae
GB/T 20351-2006 — Product of geographical indication - Huai Rhizoma Dioscoreae
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