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GB/T 46018.2-2025: Plastics - Technical specification for evaluation of recycled plastic products - Part 2: Polystyrene(PS) materials
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GB/T 46018.2-2025: Plastics - Technical specification for evaluation of recycled plastic products - Part 2: Polystyrene(PS) materials

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ICS 83.080.20;13.030.50 CCSG31 National Standard of the People's Republic of China Technical Specifications for Evaluation of Recycled Plastic Products Part 2.Polystyrene (PS) materials Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Preface

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 is Part 2 of GB/T 46018 "Technical Specification for Evaluation of Recycled Plastic Products". GB/T 46018 has been published. The following sections. --- Part 1.Polyethylene terephthalate (PET) material; --- Part 2.Polystyrene (PS) materials. 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 by the China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the National Technical Committee on Plastics Standardization (SAC/TC15). This document was drafted by. Shanghai Ruiju Environmental Protection Technology Co., Ltd., Qingdao Customs of the People's Republic of China, Jiaxing Anyiju Plastic Industry Co., Ltd. Company, Hubei Midea Refrigerator Co., Ltd., Circular New Materials (Handan) Co., Ltd., Guangzhou Shitian Materials Technology Co., Ltd., Huitong Chuangyuan Environmental Protection Technology (Anhui) Co., Ltd., Beijing Huasu Chenguang Technology Co., Ltd., Zhuhai Gree New Materials Co., Ltd., Fuyang Product Quality Supervision Inspection and Supervision Institute, Kingfa Technology Co., Ltd., Hisense Refrigerator Co., Ltd., Fujian Yinghao Cultural and Creative Co., Ltd., Qingdao University of Technology University of Science and Technology, South China University of Technology, Wanrong Rili New Materials (Hunan) Co., Ltd., Tianjin Zhonghuan Xinyu Technology Co., Ltd., Zhonglan Chenguang Chengdu Testing Technology Co., Ltd. Technology Co., Ltd., Guangzhou Quality Supervision and Inspection Institute, Zhangjiagang Customs Comprehensive Technology Center, Guangzhou Customs Technology Center, Dongguan Guoheng Plastics Technology Co., Ltd., Xinjiang Turpan Natural Environment Experimental Research Center, Tonggui Technology Chengdu Co., Ltd., Huikeqi (Shanghai) Technology Co., Ltd. company. The main drafters of this document are. Xiong Wei, Li Tianmin, Gao Jianguo, Sun Yance, Huo Yaonan, Shen Linan, Wen Jianghe, He Jihui, Zheng Huiqin, Li Zhou, Zhang Congwu, Zhang Chunhai, Zheng Wen, Chang Xuesong, Zhou Zongyou, Zhang Qingjian, He Hui, Song Zhen, Wu Liji, Xie Peng, You Haiyun, Chen Minjian, Sun Jiangang, Li Dan, Xiao Jianjun, Wang Li, Chen Hongyuan, Xu Xiaoqing, Wang Lun, Wang Wen, Zheng Youjing, and Wan Yi.

introduction

Under the global trend of promoting the use of recycled plastic products, high-quality recycling has become the development direction of the future plastic recycling economy. The requirements should not only focus on whether the quality of recycled plastics meets the application requirements, but also take into account the traceability of the entire recycling system cycle process, Safety, environmental resource impact and other property requirements, in order to meet the increasingly stringent domestic regulations and certification requirements for recycled plastics, recycling is the existing The best choice for disposing of waste plastics. Establish product evaluation requirements covering the entire process of plastic recycling and regeneration, and provide a basis for my country to build an independent recycled plastic certification system. It provides a basis for high-quality recycling, and provides a more applicable and guiding evaluation for the application of recycled plastic products. GB/T 46018 "Technical Specifications for Evaluation of Recycled Plastic Products" is intended to consist of four parts. --- Part 1.Polyethylene terephthalate (PET) materials. The purpose is to establish the Product evaluation requirements for polyethylene terephthalate (PET) materials. --- Part 2.Polystyrene (PS) materials. The purpose is to establish product evaluation criteria applicable to recycled polystyrene (PS) materials. Require. --- Part 3.Polyethylene (PE) and polypropylene (PP) materials. The purpose is to establish the application of recycled polyethylene (PE) and polypropylene Product evaluation requirements for (PP) materials. --- Part 4.Polycarbonate (PC) materials. The purpose is to establish product evaluation criteria applicable to recycled polycarbonate (PC) materials. Require. Technical Specifications for Evaluation of Recycled Plastic Products Part 2.Polystyrene (PS) materials

1 Scope

This document establishes the evaluation principles, contents and methods of recycled polystyrene [PS(REC)] materials, stipulates the evaluation indicators and weights, and provides The verification method, calculation of total evaluation score and evaluation organization form are proposed. This document is applicable to waste polystyrene (PS) plastics or waste impact polystyrene (PS-I) plastics as raw materials, which are recycled by mechanical Evaluation of the collected PS(REC) particles or PS-I(REC) particles. This document is not applicable to the evaluation of PS (REC) plastic materials derived from hazardous wastes such as medical waste, pesticide packaging, and radioactive waste. This document is not applicable to the evaluation of PS (REC) plastic materials prepared by mixing PS plastics with other plastic materials.

2 Normative references

The contents of the following documents constitute the 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 2035 Plastics Terminology GB/T 19001 Quality Management System Requirements GB/T 20861 Terminology for the recycling of waste products GB/T 23331 Energy Management System Requirements and Usage Guide GB/T 24001 Environmental Management System Requirements and Use Guide GB/T 30102 Guidelines for the recycling and reuse of plastic waste GB/T 37547 Classification and Codes of Waste Plastics GB/T 37821 Technical Specification for Recycling of Waste Plastics GB/T 39171 Technical Specification for Recycling of Waste Plastics GB/T 40006 (all parts) Plastics Recycled Plastics GB/T 40006.1-2021 Plastics Recycled Plastics Part 1.General GB/T 40006.6-2021 Plastics Recycled Plastics Part 6.Polystyrene (PS) and High-Impact Polystyrene (PS-I) Materials GB/T 43836 Standard for the evaluation of enterprise scientific and technological innovation system capabilities GB/T 45001 Occupational health and safety management system requirements and use guide GB/T 45090 Plastics - Marking and identification of recycled plastics GB/T 45091-2024 Plastics Recycled Plastics Restricted Substance Limits GB/T 46043-2025 Plastics Recycled Plastics Traceability and Environmental Aspects Assessment Guide HG/T 5869-2021 Technical Specification for Green Design Product Evaluation Polystyrene Resin SN/T 0570 Inspection procedures for radioactive contamination of imported recycled raw materials

3 Terms and Definitions

GB/T 2035, GB/T 20861, GB/T 30102, GB/T 37821 and GB/T 40006.1-2021 and the following terms The terms and definitions apply to this document. ...