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GB/T 10801.1-2025: Moulded polystyrene foam (EPS)for thermal insulation
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 10801.1-2025	English	299	Add to Cart	3 days [Need to translate]	Moulded polystyrene foam (EPS)for thermal insulation
GB/T 10801.1-2021	English	170	Add to Cart	0--9 seconds. Auto-delivery	Moulded polystyrene foam for thermal insulation(EPS)
GB/T 10801.1-2002	English	319	Add to Cart	3 days [Need to translate]	Moulded polystyrene foam board for thermal insulation
GB 10801-1989	English	239	Add to Cart	2 days [Need to translate]	Cellular plastics--Polystyrene foam for thermal insulation

GB/T 10801.1-2025: Moulded polystyrene foam (EPS)for thermal insulation

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ICS 83.100 CCSG32 National Standards of the People's Republic of China Replaces GB/T 10801.1-2021 Molded polystyrene foam (EPS) for thermal insulation Published on 2025-12-31 Implemented on July 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

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. This document is Part 1 of GB/T 10801.GB/T 10801 has already published the following parts. ---Molded polystyrene foam (EPS) for thermal insulation (GB/T 10801.1); ---Extruded polystyrene foam (XPS) for thermal insulation (GB/T 10801.2). This document supersedes GB/T 10801.1-2021 "Molded Polystyrene Foam for Thermal Insulation (EPS)" and is consistent with GB/T 10801.1- Compared to 2021, aside from structural adjustments and editorial changes, the main technical changes are as follows. ---The scope has been changed (see Chapter 1, Chapter 1 of the 2021 edition); ---The category has been changed (see Chapter 4, Chapter 4 in the 2021 edition); ---Level B3 has been removed (see 4.1.3 in the 2021 version); ---Appearance requirements have been changed (see 5.1, 2021 version 5.1); ---The requirements for length and width in the specifications and permissible deviations have been changed (see 5.2, 2021 version 5.2); ---The physical and mechanical properties have been changed (see 5.3, 2021 version 5.3); ---The dimensional stability requirements have been changed (see 5.3, 2021 version 5.3); ---The thermal resistance requirement has been added (see 5.4); ---The combustion performance has been changed (see 5.5, version 5.5 in 2021); ---Changes have been made to the aging and test environment condition adjustments (see 6.1, 2021 version 6.1); ---The appearance testing method has been changed (see 6.3, 2021 version of 6.3); ---The testing method for compression performance has been changed (see 6.5, version 6.5 of 2021); ---Added a test method for dimensional stability of samples with different thicknesses (see 6.6); ---Added a test method for water absorption rate for samples of different thicknesses (see 6.8); ---Added a method for calculating thermal resistance (see 6.11); ---The inspection item list has been revised (see 7.1, 2021 version 7.1); ---The type testing procedures have been changed (see 7.2, 2021 version 7.2); ---Sampling requirements for batching have been added (see 7.3); ---The judgment rules have been changed (see 7.4, 7.3 in the 2021 version); ---The requirements for the logo have been changed (see 8.1, 2021 version 8.1); ---Added labeling or instruction manual requirements (see 8.2); ---Transportation and storage have been changed (see 9.2, 8.3 in the 2021 edition). 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 by the China National Light Industry Council. This document is under the jurisdiction of the National Technical Committee on Standardization of Plastic Products (SAC/TC48). This document was drafted by. Beijing Building Materials Testing and Research Institute Co., Ltd., Beijing Technology and Business University, and Suhaolitian (Liaoning) Polymer. Materials Co., Ltd., Hebei Green Building Materials Product Quality Testing Co., Ltd., China Railway Construction Group Co., Ltd., Hebei Wuzhou Zhengyuan New Materials Co., Ltd. Limited Liability Company, Henan Zhengda Foam Packaging Materials Co., Ltd., Fusite New Materials Technology Development Co., Ltd., Langfang Huaneng New Materials Co., Ltd. Building materials company, Tianjin Jiatai Weiye Chemical Co., Ltd., Beijing Hangyu Insulation Building Materials Co., Ltd., Beipeng Building Materials Group Co., Ltd. Shanghai Jianke Inspection Co., Ltd., Liaoning Provincial Inspection and Testing Certification Center, China Academy of Building Research Co., Ltd., Beijing Jiaotong University Light Industry Plastics Processing and Application Research Institute, Tianjin Geyade New Material Technology Co., Ltd., Wuxi Xingda Foamed New Material Co., Ltd., Jiang Suyuesheng Technology Co., Ltd., China Railway Seventh Group Xi'an Railway Engineering Co., Ltd., and China Special Engineering (Beijing) Engineering Technology Innovation Center. The main drafters of this document are. Shao Lushan, Xu Bo, Wang Kai, Chen Xintong, Wang Dong, Li Yue, Liang Chunru, Yan Xiaohang, Guo Aili, and Liu Donghua. Li Yongyi, Han Zhicai, Zhang Jinghai, Kong Fanling, Yuan Linlin, Zhang Yinan, Xian Jinghong, Qin Xiaochun, Wang Lei, Bai Yu, Guo Pingan, Xu Ming, Zhang Haijun Zhang Qian and Tian Yongfeng. The release history of this document and the document it replaces is as follows. ---First published in 1989 as GB/T 10801-1989; ---First revised in.2002, GB/T 10801 was divided into two parts, and this document is numbered GB/T 10801.1- Second revision in.2002 and 2021; ---This is the third revision.

Introduction

GB/T 10801 is proposed to consist of two parts. ---Molded polystyrene foam (EPS) for thermal insulation (GB/T 10801.1). The purpose is to specify the type of molded polystyrene foam for thermal insulation. Classification and technical requirements of EPS (expanded polystyrene). ---Extruded polystyrene foam (XPS) for thermal insulation (GB/T 10801.2). The purpose is to specify the type of extruded polystyrene foam for thermal insulation. Classification and technical requirements of polystyrene foam (XPS). This document is Part 1 of GB/T 10801.Unlike other parts concerning polystyrene foam for thermal insulation, this document applies to... Polystyrene foam with a closed-cell structure is produced by pre-expanding expandable polystyrene beads by heating and then molding them in a mold. plastic. Molded polystyrene foam (EPS) for thermal insulation

1 Scope

This document specifies the classification, requirements, inspection rules, marking, labeling, or instructions for use of molded polystyrene foam (EPS) for thermal insulation. The book describes the corresponding experimental methods, covering packaging, transportation, and storage. This document applies to expandable polystyrene beads that have been pre-expanded by heating and then molded in a mold to produce beads with a closed-cell structure. Production, inspection and sale of molded polystyrene foam for thermal insulation with a temperature not exceeding 75°C and products made from it. This document also applies to heat-insulating molded polystyrene foam produced by modifying raw materials with additives such as graphite, and its cutting process. The production, inspection and sale of finished 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 2918-2018 Standard Environment for Conditioning and Testing of Plastic Specimens GB/T 6342 Determination of linear dimensions of foamed plastics and rubber GB/T 6343 Determination of apparent density of foamed plastics and rubber GB/T 8170 Rules for rounding off numerical values and the representation and determination of limiting values GB 8624 Classification of fire performance of building materials and products GB/T 8810 Determination of water absorption rate of rigid foamed plastics GB/T 8811 Test method for dimensional stability of rigid foamed plastics GB/T 8812.1 Determination of flexural properties of rigid foamed plastics - Part 1.Basic flexural test GB/T 8813 Determination of compressive properties of rigid foamed plastics GB/T 10294 Determination of steady-state thermal resistance and related properties of thermal insulation materials – Protective hot plate method GB/T 10295 Determination of steady-state thermal resistance and related properties of thermal insulation materials – heat flow meter method GB/T 21332 Determination of water vapor permeability of rigid foamed plastics GB 46520 Technical Specification for Fire Performance of Thermal Insulation Materials and Products for Buildings GB 50016 Code for Fire Protection Design of Buildings (2018 Edition) GB 55037 General Code for Fire Protection of Buildings

3 Terms and Definitions

The terms and definitions defined in GB/T 2035 apply to this document. 4.Classification 4.1 Categories 4.1.1 According to the compression performance level, they are divided into I, II, III, IV, V, VI and VII, as shown in Table 1. ...