Detail of QB/T 1952.1-2012

Introduction of QB/T 1952.1-2012

1 Scope This standard specifies the terminologies and definitions, product classification, requirements, test methods, inspection rules, and marking, packaging, transportation and storage of sofa. This standard is applicable to sofa for indoor use. Where specific product standards are available, the requirements of the relevant product standards shall be complied with. 2 Normative References The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document. GB/T 1732 Determination of Impact Resistance of Film GB/T 3324-2008 Wooden furniture - General Technical Requirements GB/T 3325-2008 Metal Furniture - General Technical Requirements GB/T 3920-2008 Textiles - Tests for Color Fastness - Color Fastness to Rubbing GB/T 3922-1995 Textiles - Testing Method for Color Fastness to Perspiration GB/T 4689.20-1996 Leather - Determination for Adhesion of Finish GB/T 4893.4 Furniture - Assessment of Adhesion of Surface Coatings - Cross Cut GB/T 4893.7 Furniture - Assessment of Surface Resistance to Alteration of Heat and Cold GB/T 4893.8 Furniture - Assessment of Wearability of Surface Coatings GB/T 4893.9 Furniture - Test for Surfaces - Assessment of Resistance to Impact GB 5296.6 Instructions for Use of Products of Consumer Interest - Part 6: Furniture GB/T 6343-2009 Cellular Plastics and Rubbers - Determination of Apparent Density GB/T 6669-2008 Flexible Cellular Polymeric Materials - Determination of Compression Set GB/T 6670-2008 Flexible Cellular Polymeric Materials - Determination of Resilience by Ball Rebound GB/T 6739-2006 Paints and Varnishes - Determination of Film Hardness by Pencil Test GB/T 9286 Paints and Varnishes - Cross Cut Test for Films GB/T 13667.1-2003 General Specification for Steel Book Shelves GB 17927 (all parts) Upholstered Furniture - Assessment of the Resistance to Ignition of the Spring Mattress and the Sofa QB/T 2537-2001 Leather - Tests for Colour Fastness - Colour Fastness to Cycles of To-and-fro Rubbing 3 Terminologies and Definitions For the purposes of this document, the following terminologies and definitions apply. 3.1 Sofa A kind of seat composed of main body frame (of wood, metal or other rigid materials) and surface cover (cladded with elastic material or other soft materials). 3.2 Inserting line The line being inserted in when the fabric is sewed up. 3.3 Edge The peripheral part of seat, back and armrest of sofa. 3.4 Zigzag spring A kind of continuous sigmoid spring bent from spring steel wire. 3.5 Compression amount A displacement difference of sofa seat surface along the forced directions measured at a detection position on the sofa seat surface when applying two vertical downward forces respectively by passing through the center of round cushion block. 3.6 Relaxing amount of back

Contents of QB/T 1952.1-2012

Foreword I 1 Scope 2 Normative References 3 Terminologies and Definitions 4 Product Classification 5 Requirements 6 Test Methods 7 Inspection Rules 8 Marking, Packaging, Transportation and Storage Appendix A (Normative) Equilibrium Moisture Content of Wood in Various Regions of China Appendix B (Normative) Mechanical Property Test Bibliography