Detail of GB/T 3324-2024

Introduction of GB/T 3324-2024

GB/T 3324-2024 General technical requirements for wooden furniture General technical requirements for wooden furniture 1 Scope This document specifies the requirements, inspection rules, and marking, instructions for use, packaging, transportation and storage of wooden furniture, defines the terms and definitions, and provides the classification. This document is applicable to the quality control of the design, production, sales service, and inspection and testing of wooden 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/T1043.1 Plastics - Determination of charpy impact properties - Part 1: Non-instrumented impact test GB/T 1927.4-2021 Test methods for physical and mechanical properties of small clear wood specimens - Part 4: Determination of moisture content 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 3920-2008 Textiles - Tests for colour fastness - Colour fastness to rubbing GB/T 4893.1-2021 Test of surface coatings of furniture - Part 1: Determination of surface resistance to cold liquids GB/T 4893.2-2020 Test of surface coatings of furniture - Part 2: Determination of surface resistance to wet heat GB/T 4893.3-2020 Test of surface coatings of furniture - Part 3: Determination of resistance to dry heat GB/T 4893.4-2023 Test of surface coatings of furniture - Part 4: Determination of adhesion - Cross cut GB/T 4893.7-2013 Test of surface coatings of furniture - Part 7: Determination of surface resistance to alternation of heat and cold GB/T 4893.8-2023 Test of surface coatings of furniture - Part 8: Determination of wearability GB/T 4893.9-2013 Test of surface coatings of furniture - Part 9: Determination of resistance to impact GB/T 5296.6 Instructions for use of products of consumer interest - Part 6: Furniture GB/T 6669-2008 Flexible cellular polymeric materials - Determination of compression set GB/T 7573-2009 Textiles - Determination of pH of aqueous extract GB/T 10357.1 Test of mechanical properties of furniture - Part 1: Strength and durability of tables GB/T 10357.2 Test of mechanical properties of furniture - Part 2: Stability of chairs and stools GB/T 10357.3 Test of mechanical properties of furniture - Part 3: Strength and durability of chairs and stools GB/T 10357.4-2023 Test of mechanical properties of furniture - Part 4: Stability of storage units GB/T 10357.5-2023 Test of mechanical properties of furniture - Part 5: Strength and durability of storage units GB/T 10357.7-2013 Test of mechanical properties of furniture - Part 7: Stability of tables GB/T 10357.8 Test of mechanical properties of furniture - Part 8: of chairs with tilting or reclining mechanisms when fully reclined, and rocking chairs GB/T 16422.2-2022 Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc sources GB/T 17657-2022 Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels GB 17927-2024 Safety technical specification of flame resistance for furniture 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 28202-2020 and the following apply. 3.1 wooden furniture furniture made of wooden materials such as wood and wood-based panels, except for decorative parts and accessories in the main parts and components [Source: GB/T 28202-2020, 2.2, modified] Note: See Annex A for examples of the main components. 3.2 solid wood furniture wood furniture with main components made of solid wood materials, with (or without) solid wood veneer or thin wood veneer on the surface, and with (or without) finishing treatment. Solid wood materials include logs, solid wood sawn timber, finger-jointed lumber, laminated timber, etc. 3.3 wood-based panel furniture panel furniture wood furniture with main components made of wood-based panels such as fiberboard, particleboard, sheet of plywood, blockboard and laminated lumber 3.4 solid wood and wood-based panel furniture wooden furniture with product frame made of solid wood and the panel or the inner panel of the frame made of veneer wood-based panel [Source: GB/T 28202-2020, 2.14, modified] 3.5 wooden furniture made of multiple materials other wooden furniture made of all kinds of wooden materials, but not defined as solid wood furniture, panel furniture, and solid wood and wood-based panel furniture 3.6 outward appearance outward visible appearance of product in initial state 3.7 inward appearance visible appearance displayed by the opening of movable component such as product doors and drawers, as well as separating components such as partitions or shelves 3.8 surface decoration decorative treatment on the surface or edge of wooden components of furniture by painting, covering and banding Note: The painting process includes scraping, brushing, wiping, pouring, rolling, drawing, dipping, spraying, air spraying, airless spraying, electrostatic spraying and other processes. 3.9 hardware metal component that meets the requirements of furniture design and structure, and serves as a connecting, movable, fastening, supporting, and decorative element in furniture 3.10 flexible materials curlable and flexible, thin sheet covering material, such as polyvinyl chloride (PVC) plastic film, etc. [Source: GB/T 28202-2020, 5.119, modified] 3.11 overlaid materials sheet overlaid materials or high-pressure decorative panels with a certain degree of stiffness, such as veneer lumber, veneer, plastic veneer, and metal sheet [Source: GB/T 28202-2020, 5.120, modified] 4 Classification The main components and products of wooden furniture are classified according to Annex A. 5 Requirements 5.1 Main dimensions and their deviations The main dimensions and their deviations shall meet those specified in Table 1. Table 1 Main dimensions and their deviations of wooden furniture

Contents of GB/T 3324-2024

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 5 Requirements 5.1 Main dimensions and their deviations 5.2 Geometrical tolerance 5.3 Material requirements 5.4 Appearance requirements 5.5 Physical and chemical properties 5.6 Mechanical properties 5.7 Structural safety (basic item) 5.8 Limit of harmful substances (basic item) 5.9 Electrical safety (basic item) 5.10 Flame resistance (basic item) 6 Test methods 6.1 Main dimensions and their deviation determination 6.2 Determination of geometrical tolerance 6.3 Material determination 6.4 Appearance determination 6.5 Determination of physical and chemical properties 6.6 Mechanical property test 6.7 Structural safety 6.8 Limit of harmful substances 6.9 Electrical safety 6.10 Flame resistance 7 Inspection rules 7.1 Inspection classification 7.2 End-of-manufacturing inspection 7.3 Type inspection 7.4 Rules for judging inspection results 7.5 Re-inspection rules 8 Marking, instructions for use, packaging, transportation and storage 8.1 Marking 8.2 Instructions for use 8.3 Packaging 8.4 Transportation and storage Annex A (Normative) Main components and product classification of wooden furniture A.1 Main components of wooden furniture A.2 Classification by materials used for main components of the product A.3 Classification by surface finish of main components of the product A.4 Classification by occasion of use of the product Annex B (Normative) Annual average equilibrium moisture content of wood in various provinces (regions, special administrative region), municipalities and major cities in China Annex C (Informative) Standards for wood-based panels and wood names commonly used in furniture Bibliography