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GB/T 10357.3-2025 English PDF

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GB/T 10357.3-2025: Test of mechanical properties of furniture - Part 3: Strength and durability of chairs and stools
Status: Valid

GB/T 10357.3: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 10357.3-2025English1079 Add to Cart 7 days [Need to translate] Test of mechanical properties of furniture - Part 3: Strength and durability of chairs and stools Valid GB/T 10357.3-2025
GB/T 10357.3-2013English125 Add to Cart 0--9 seconds. Auto-delivery Test of mechanical properties of furniture -- Part 3: Strength and durability of chairs and stools Valid GB/T 10357.3-2013
GB/T 10357.3-1989English799 Add to Cart 5 days [Need to translate] Test of mechanical properties of furniture--Strength and dutability of chairs and stools Obsolete GB/T 10357.3-1989

Basic data

Standard ID GB/T 10357.3-2025 (GB/T10357.3-2025)
Description (Translated English) Test of mechanical properties of furniture - Part 3: Strength and durability of chairs and stools
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y80
Classification of International Standard 97.140
Word Count Estimation 54,534
Date of Issue 2025-08-01
Date of Implementation 2026-02-01
Older Standard (superseded by this standard) GB/T 10357.3-2013
Issuing agency(ies) State Administration for Market Regulation, Standardization Administration of China

GB/T 10357.3-2025: Test of mechanical properties of furniture - Part 3: Strength and durability of chairs and stools


---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT10357.3-2025
ICS 97.140 CCSY80 National Standard of the People's Republic of China Replaces GB/T 10357.3-2013 Furniture mechanical properties test Part 3.Strength and durability of chairs and stools Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface V Introduction VII 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General test conditions 2 4.1 Pretreatment and test environment 2 4.2 Loading force 2 4.3 Tolerance 2 4.4 Test Sequence 2 5 Test equipment and facilities 2 5.1 General Principles 2 5.2 Loading Positioning Template 3 5.3 Test ground 4 5.4 Stopper 4 5.5 Seat loading pad 4 5.6 Small seat loading pad 4 5.7 Seat Back Loading Pad 5 5.8 Local loading pads 5 5.9 Foam pad 6 5.10 Seat impactor 6 5.11 Impact Pendulum 6 5.12 Handrail durability test device 7 5.13 Caster test floor 9 5.14 Front loading positioning device 9 5.15 Loading Disc 9 6 General test methods for chairs and stools 9 6.1 General 9 6.2 Determination of the seat and back loading points 9 6.3 Determination of seat back angle 11 6.4 Static load test of seat and backrest 12 6.5 Static load test on the front edge of the seat 13 6.6 Seat back vertical static load test 13 6.7 Seat back horizontal forward static load test 14 6.8 Foot support static load test 14 6.9 Leg support static load test 15 6.10 Handrail lateral static load test 15 6.11 Handrail vertical downward static load test 16 6.12 Head support static load test 16 6.13 Handrail vertical upward static load test 16 6.14 Additional writing board vertical static load test 17 6.15 Forward static load test on chair legs 17 6.16 Side static load test for chair legs 18 6.17 Seat and backrest combined durability test 20 6.18 Chair and stool front edge durability test 21 6.19 Multi-stage seat back durability test 22 6.20 Handrail durability test 22 6.21 Foot support durability test 23 6.22 Additional writing board durability test 23 6.23 Durability test for chairs and stools with tiltable seats 6.24 Seat impact test 23 6.25 Impact test for chair backs and stools 24 6.26 Handrail impact test 25 6.27 Drop test 26 6.28 Caster durability test 28 6.29 Single-column seat surface durability test 29 7 Recliner Test Methods 29 7.1 General Principles 29 7.2 Static load test of seat and backrest 30 7.3 Seat and backrest durability test 30 7.4 Seat Back Durability Test 31 7.5 Handrail vertical downward static load test 31 7.6 Handrail durability test 31 7.7 Impact test 31 7.8 Movable reclining chair lifting test 32 Appendix A (Normative) Seat Loading Pad 33 Appendix B (Normative) Front loading positioning device 35 B.1 Structural diagram 35 B.2 Seat front edge positioning method 36 Appendix C (Normative) Selection of test levels 38 Appendix D (Normative) Strength and durability test force, load, and number of cycles for chairs and stools Reference 43 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 3 of GB/T 10357 “Mechanical properties of furniture”. GB/T 10357 has been published in the following parts. --- Part 1.Strength and durability of tables; --- Part 2.Stability of chairs and stools; --- Part 3.Strength and durability of chairs and stools; --- Part 4.Cabinet stability; --- Part 5.Strength and durability of cabinets; --- Part 6.Strength and durability of single-layer beds; --- Part 7.Table stability; --- Part 8.Stability of chairs and rocking chairs with tilt and recline mechanisms when fully reclined. This document replaces GB/T 10357.3-2013 "Furniture mechanical properties test part 3.chairs and stools strength and durability" Compared with GB/T 10357.3-2013, in addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Changed the scope of application (see Chapter 1, Chapter 1 of the.2013 edition); --- Added the terms and definitions of "leg support", "foot support", "chair back", "armrest", "multi-seater seat", "recliner" and "single-column seat" (See 3.1 to 3.7); --- Changed the general test conditions (see Chapter 4, Chapter 2 of the.2013 edition); --- Changed the shape design and quality requirements of the loading and positioning template (see 5.2, 3.1 of the.2013 edition); --- Changed the requirements for test ground (see 5.3, 3.2 of the.2013 edition); --- Changed the seat loading pad requirements (see 5.5, Appendix A, 3.6 of the.2013 edition); --- Changed the requirements for handrail durability test device (see 5.12, 3.11 of the.2013 edition); --- Added caster test ground, front loading positioning device, and loading disc (see 5.13 to 5.15); --- Added general principles for test methods (see 6.1, 7.1); --- Added a method for calculating the number of seats when the number of seats is unclear (see 6.2.1); --- Changed the static load test of seat and backrest (see 6.4, 4.3.1 and 4.3.2 of the.2013 edition); --- Changed the static load test for the leading edge of the seat surface (see 6.5, Appendix B, 4.3.3 of the.2013 edition); --- Added the seat back vertical static load test (see 6.6); --- Added the horizontal forward static load test of the seat back (see 6.7); --- Changed the static load test of foot support and leg support (see 6.8, 6.9, 4.4 of the.2013 edition); --- Changed the handrail lateral static load test (see 6.10, 4.5 of the.2013 edition); --- Changed the handrail vertical downward static load test (see 6.11, 4.6 of the.2013 edition); --- Added head support static load test (see 6.12); --- Added the vertical upward static load test for handrails (see 6.13); --- Added additional tablet vertical static load test (see 6.14); --- Changed the forward static load test for chair legs (see 6.15, 4.10 of the.2013 edition); --- Changed the lateral static load test for chair legs (see 6.16, 4.11 of the.2013 edition); --- Changed the seat and backrest combined durability test (see 6.17, 4.8 of the.2013 edition); --- Added chair and stool front edge durability test (see 6.18); --- Added multi-stage seat back durability test (see 6.19); --- Increased adjustment requirements for highly adjustable components (see 6.20); --- Added foot support durability test (see 6.21); --- Added additional tablet durability test (see 6.22); --- Added durability test for chairs and stools with retractable seats (see 6.23); --- Changed the seat impact test (see 6.24, 4.12 of the.2013 edition); --- Changed the drop test (see 6.27, 4.15 of the.2013 edition); --- Added caster durability test (see 6.28); --- Added a single-column seat surface durability test (see 6.29); --- Added the reclining chair test method (see Chapter 7); --- Deleted the test result evaluation (see Chapter 5 of the.2013 edition); --- Added front loading positioning device (see Appendix B); --- Changed the selection of test levels (see Appendix C, Appendix A of the.2013 edition); --- Changed the strength and durability test force, load and number of cycles for chairs and stools (see Appendix D, Appendix B of the.2013 edition). 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 Light Industry Federation. This document is under the jurisdiction of the National Furniture Standardization Technical Committee (SAC/TC480). This document was drafted by. Sunon Technology Co., Ltd., Shanghai Quality Supervision and Inspection Technology Research Institute, Yongyi Furniture Co., Ltd. Co., Ltd., Zhejiang Agricultural and Forestry University, Chengdu Product Quality Supervision and Inspection Institute, Anji Wanbao Intelligent Furniture Technology Co., Ltd., Dongguan Jinhui Testing Equipment Manufacturing Co., Ltd., Guangdong Huasheng Furniture Group Co., Ltd., Guangdong Zhongtai Furniture Group Co., Ltd., Central South University of Forestry and Technology, Changzhou Inspection and Testing Standards Certification Institute, Nanjing University of Technology Construction Engineering Technology Co., Ltd., Dongguan Zhaosheng Furniture Industry Co., Ltd., Shanghai Wanmu Shengyuan Home Furnishing Co., Ltd., Aurora (China) Co., Ltd., Dongguan Lituo Testing Instrument Co., Ltd., Dongguan Huahong Instrument Co., Ltd. Company, Guangzhou Chunxin Technology Co., Ltd. The main drafters of this document are. Lee Kuan Yew, Zhang Lei, Yin Zhiyuan, Liu Chenguang, Li Weibing, Huang Wei, Cheng Jun, Li Fangfei, Zou Jia, Yao Yonghong, Gu Qiang, Tao Tao, He Bing, Li Luming, Wang Jie, Lü Chenglong, Zhang Ye, Wang Zhuochun, Chen Qiong, Zou Miao, Chen Shichao, Liu Chunbing, Xu Youming, Li Zhongjun, Lu Chunwei, Tam Wing-hung. The previous versions of this document and the documents it replaces are as follows. ---First issued as GB/T 10357.3-1989 in 1989 and first revised in.2013; ---This is the second revision.

introduction

GB/T 10357 "Furniture Mechanical Properties Test" is intended to describe the test methods for furniture mechanical properties. To be different, it is planned to consist of eight parts. --- Part 1.Strength and durability of tables. The purpose is to establish test methods applicable to the strength and durability of furniture table products. --- Part 2.Stability of chairs and stools. The purpose is to establish a test method applicable to the stability of furniture chairs and stools. --- Part 3.Strength and durability of chairs and stools. The purpose is to establish the test for the strength and durability of furniture chairs and stools method. --- Part 4.Cabinet stability. The purpose is to establish a test method applicable to the stability of furniture cabinets. --- Part 5.Strength and durability of cabinets. The purpose is to establish test methods applicable to the strength and durability of furniture cabinets. --- Part 6.Strength and durability of single-layer beds. The purpose is to establish test methods for the strength and durability of single-layer bed furniture. Test method. --- Part 7.Table stability. The purpose is to establish a test method applicable to the stability of furniture table products. --- Part 8.Stability of chairs and rocking chairs with tilt and recline mechanisms when fully reclined. Test method for the stability of chairs and rocking chairs, which are special mechanical properties of furniture. This document is Part 3 of GB/T 10357, which provides technical support for improving the quality of chairs and stools and regulating the furniture market order. Provide technical support to protect the legitimate rights and interests of consumers. Furniture mechanical properties test Part 3.Strength and durability of chairs and stools

1 Scope

This document describes test methods for the strength and durability of furniture such as chairs and stools. This document is applicable to the test of mechanical properties of chairs and stools. This document does not apply to children's high chairs.

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. ISO 48-4 Rubber, vulcanized or thermoplastic — Determination of hardness — Part 4.Durometer method — Indentation hardness (Shore hardness) [Rub-

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Leg support legrest Parts used to support the legs. 3.2 footrest Parts used to support the feet. 3.3 backrest Components that are.200 mm or more above the seat loading point and are used to support the back. 3.4 armrest A component that is 100 mm or more above the seat loading point and is used to support the arm. [Source. GB/T 28202-2020, 4.33, with modifications] 3.5 multiple seating units Chairs and stools with a seat width greater than 1100mm. 3.6 recliner; recliningchair; longue Suitable for reclining posture, the leg support is an integral part of the product and can bear the full weight of the user, the chair back angle is 0°~45°

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