标准编号:	GB/T 28478-2024
中文名称:	户外家具 桌椅类通用技术条件
英文名称:	Outdoor furniture—General technical requirements for tables and chairs
中标分类:	Y81    家具制品
行业分类:	GB    国家标准
ICS分类:	97.140 97.140    家具 97.140
发布机构:	国家市场监督管理总局 中国国家标准化管理委员会
发布日期:	2024-06-29
实施日期:	2025-1-1
标准状态:	即将实施
替代旧标准:	GB 28478-2012 户外休闲家具安全性能要求 桌椅类产品
翻译语言:	英文
文件格式:	PDF
中文字符数:	65000 字
翻译价格(元):	4550.00 元
交付时间:	付款后 1~5 个工作日

GB/T 28478-2024 Outdoor furniture - General technical requirements for tables and chairs



1 Scope



This document specifies the technical requirements, inspection rules, marking, instructions for use, packaging, transportation and storage for camping, domestic and commercial outdoor tables, chairs (stools) for adult use, and describes the corresponding test methods.



This document is applicable to quality control during the design, production, installation and sale of outdoor tables and chairs for adult use.



This document is not applicable to the material design/structure or manufacturing process of outdoor tables and chairs, or the safety of electrical appliances; the durability of castors, tilt mechanisms and seat panel height adjustment mechanisms; the removable flexibly packaged items, coverings, or permanently fixed furniture.



2 Normative references



The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.



GB/T 250 Textiles - Tests for colour fastness - Grey scale for assessing change in colour

GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection

GB/T 3325-2017 General technical requirements for metal furniture

GB/T 3922-2013 Textiles - Tests for colour fastness - Colour fastness to perspiration

GB/T 8427-2019 Textiles - Tests for color fastness - Color fastness to artificial light: Xenon arc

GB/T 10357.1-2013 Test of mechanical properties of furniture - Part 1: Strength and durability of tables

GB/T 10357.3-2013 Test of mechanical properties of furniture - Part 3: Strength and durability of chairs and stools

GB/T 16422.2-2022 Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc lamps

GB/T 28202 Furniture industry terminology

GB/T 31106 Determination of volatile organic compounds in furniture

GB 28008-2024 Technical specification for the safety of furniture structure

GB 18584-2024 Limit of harmful substances of furniture

QB/T 3826 Corrosion-resistant testing method of the metal deposits and conversion coatings for the light industrial products - Neutral salt spray (NSS) test



3 Terms and definitions



For the purposes of this document, the terms and definitions given in GB/T 28202 and GB/T 31106 and the following apply.



3.1

lounger

chair product with the inclination angle of the chair back in the range of 0 °~90 ° and the leg rest integrally connected with the product, and preset to be able to fully bear the weight of a user (see Figure 1)





Key:

θ——The inclination angle of the chair back.



Figure 1 Schematic diagram for a lounger



4 Requirements



4.1 Appearance



Appearance requirements and classification of inspection items shall comply with the provisions of S.N.1~S.N.39 of Table 3 in GB/T 3325-2017.



4.2 Product structures (basic items)



The provisions of GB 28008-2024 shall be complied with.



4.3 Harmful substances in products (basic items)



Except for formaldehyde, benzene, toluene, xylene (the sum of o-xylene, m-xylene and p-xylene) and total volatile organic compounds (TVOC), the provisions of GB 18584-2024 shall be complied with.



4.4 Physical and chemical properties (basic items)



4.4.1 Corrosion resistance of metal accessories



After corrosion resistance test (see 5.4.1), there shall be no more than 20 rust spots/dm² on metal plating layer or paint (plastic) spraying coating for metal, and there shall be no more than 5 such spots with a diameter greater than or equal to 1.5mm.



4.4.2 Textile fabrics



4.4.2.1 Color fastness to light



Not inferior to Grade 4.



4.4.2.2 Color fastness to perspiration



Not inferior to Grade 3.



4.4.3 Ageing resistance of plastic parts



After the aging resistance test of plastic parts (see 5.4.3), the appearance color discoloration rating of plastic parts in connecting parts, constituent parts, components or parts in domestic and commercial outdoor tables and chairs shall not be inferior to Grade 4.

Contents
Foreword IV
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test methods
6 Inspection rules
7 Marking, instructions for use, packaging, transportation and storage
Annex A (Normative) Test methods for strength and durability of chairs (stools)
Annex B (Normative) Test methods for stability of chairs (stools)
Annex C (Normative) Mechanical property test on tables
Figure 1 Schematic diagram for a lounger
Figure 2 Schematic diagram for a seat panel loading pad
Figure 3 Seat panel loading pad shape - machined
Figure 4 Seat panel loading pad shape - injection molded
Figure 5 Schematic diagram for the armrest fatigue test
Figure 6 Schematic diagram for an armrest loading device
Figure 7 Schematic diagram for a supporting fixture
Figure 8 Schematic diagram for a stability loading pad
Figure 9 Overall schematic diagram for a stability loading device
Figure 10 Schematic diagram for forward and lateral loading fixtures
Figure 11 Graphic symbol for a mobile lounger that cannot move when loaded
Figure A.1 Determination of loading points on seat panel and chair back
Figure A.2 Schematic diagram for static loads against seat panel and chair back
Figure A.3 Schematic diagram for additional static loads against seat panel and leg rest
Figure A.4 Schematic diagram for durability of seat panel and back of lounger
Figure A.5 Schematic diagram for additional durability of seat panel
Figure A.6 Schematic diagram for vertically downward static load on armrest
Figure A.7 Schematic diagram for impact on lounger
Figure A.8 Schematic diagram for lifting test of movable lounger
Figure A.9 Schematic diagram for forward static load against chair (stool) leg
Figure A.10 Schematic diagram for sideways static load against chair leg
Figure A.11 Schematic diagram for impact test on seat panel
Figure B.1 Schematic diagram for forward toppling test
Figure B.2 Schematic diagram for sideways toppling test
Figure B.3 Schematic diagram for backward toppling test
Figure B.4 Test example for a lounger with a leg rest
Figure B.5 Values of X and Z
Figure B.6 Loading point for a rigid chair (stool) with a large radius of front edge
Figure B.7 Schematic diagram for forward toppling test on chairs (stools)
Figure B.8 Schematic diagram for sideways toppling test on chairs (stools) without armrests
Figure B.9 Schematic diagram for sideways toppling test on chairs (stools) with armrests
Figure B.10 Schematic diagram for backward toppling test
Figure C.1 Schematic diagram for vertical static load test on main table top
Figure C.2 Schematic diagram for additional static load test
Figure C.3 Schematic diagram for vertical static load test on auxiliary table top
Figure C.4 Schematic diagram for horizontal durability test
Figure C.5 Determination of vertical stability loads
Figure C.6 Schematic diagram for vertical stability test
Figure C.7 Schematic diagram for stability test on a table with parasol supporting function
Table 1 Mechanical properties of a lounger
Table 2 Mechanical properties of other chairs (stools)
Table 3 Mechanical properties of tables
Table 4 Sampling scheme for end-of-manufacturing inspection
Table A.1 Static load test parameters for seat panel and chair back
Table A.2 Determination of loading forces on seat panel and chair back
Table A.3 Additional static load test parameters for seat panel and leg rest
Table A.4 Durability test parameters for seat panel and chair back
Table A.5 Additional durability test parameters for seat panel
Table A.6 Durability test parameters for chair back mechanism
Table A.7 Test parameters for vertically downward static load on armrest
Table A.8 Durability test parameters for armrest
Table A.9 Impact test parameters for seat panel
Table A.10 Lifting test parameters for a movable lounger
Table A.11 Static load test parameters for seat panel and chair back-
Table A.12 Static load test parameters for front edge of seat panel
Table A.13 Durability test parameters for seat panel and chair back
Table A.14 Back durability test parameters for a chair with an adjustable back
Table A.15 Static load test parameters for armrest
Table A.16 Durability test parameters for armrest
Table A.17 Test parameters for forward static load on chair leg
Table A.18 Test parameters for sideways static load on chair leg
Table A.19 Impact test parameters for seat panel
Table A.20 Static load test parameters for cross rail of leg rest
Table B.1 Positions for the parts of a lounger-
Table B.2 Test Parameters for a lounger-
Table B.3 Values of X and Z
Table B.4 Positions for the parts of a chair (stool) during test-
Table B.5 Test parameters for a non-lounger
Table C.1 Test parameters for vertical static load on main table top-
Table C.2 Test parameters for additional vertical static load
Table C.3 Test parameters for vertical static load on auxiliary table top
Table C.4 Horizontal durability test parameters
Table C.5 Test parameters for vertical loading stability
Table C.6 Determination of vertical loads
Table C.7 Test parameters for loading stability of extension element
Table C.8 Stability test parameters for a table with parasol supporting function

户外家具 桌椅类通用技术条件

1 范围

本文件规定了成人使用的野营用、家用和商用户外桌(几)、椅(凳)的技术要求、检验规则、标志、使用说明、包装、运输和贮存，描述了相应的试验方法。

本文件适用于成人使用的户外桌椅的设计、生产、安装和销售过程中的质量控制。

本文件不适用于户外桌椅的材料设计/结构或制造过程、电器安全，不包括脚轮、倾斜机构和座面高度调节机构的耐久性，不适用于可拆卸的软包件和覆盖物以及永久性固定家具。

2 规范性引用文件

下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。

GB/T 250 纺织品 色牢度试验评定变色用灰色样卡
GB/T 2828.1—2012 计数抽样检验程序第1部分：按接收质量限(AQL) 检索的逐批检验抽样计划
GB/T 3325—2017 金属家具通用技术条作
GB/T 3922—2013 纺织品 色牢度试 耐汗渍色牢度
GB/T 8427—2019 纺织品 色牢度试验 耐人造光色牢度：氙弧
GB/T 10357.1—2013 家具力学性能试验第1部分：桌类强度和耐久性
GB/T 10357.3—2013 家具力学性能试验 第3部分：椅凳类强度和耐久性
GB/T 6422.2—2022 塑料实验室光源暴露试验方法第2部分：氙弧灯
GB/T 28202 家具工业术语
GB/T31106 家具中挥发性有机化合物的测定
GB 28008—2024 家具结构安全技术规范
GB 18584—2024 家具中有害物质限量
QB/T 3826 轻工产品金属镀层和化学处理层的耐腐蚀试验方法中性盐雾试验(NSS)法

3 术语和定义

GB/T 28202 和GB/T 31106 界定的以及下列术语和定义适用于本文件。

3.1
躺椅 lounger
躺床
椅背倾斜角在0°~90°的范围、腿靠与产品整体相连为一体且预设能完全承受使用者重量的椅类产品(见图1)。



标引序号说明:
θ——椅背倾斜角。

图1 躺椅示意图

4 要求

4.1 外观

外观要求和检验项目分类应符合GB/T 3325—2017中表的序号1~序号39的规定。

4.2 产品结构(基本项目)

应符合GB 28008—2024的规定。

4.3 产品有害物质(基本项目)

除甲醛、苯、甲苯、二甲苯(邻、间、对二甲苯之和)、总挥发性有机化合物(TVOC)外，应符合GB 18584—2024的规定。

4.4 理化性能(基本项目)

4.4.1 金属件耐腐蚀

经耐腐蚀试验(见5.4.1)后，金属电镀层和金属喷漆(塑)涂层锈点应不大于20点/dm²,其中直径大于或等于1.5mm的锈点不应超过5点。

4.4.2 纺织面料

4.4.2.1 耐光色牢度

应不低于4级。

4.4.2.2 耐汗渍色牢度

应不低于3级。

4.4.3 塑料件耐老化

经塑料件耐老化试验(见5.4.3)后，家用和商用户外桌椅中连接部位、组成部分或零部件的塑料件外观颜色变色评级应不低于4级。