SOUTH AFRICAN NATIONAL STANDARD

Transcription

1 ISBN SOUTH AFRICAN NATIONAL STANDARD Bed bases (spring upholstered) Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001 Tel: Fax: SABS

2 Table of changes Change No. Date Scope Amdt Amended to change the designation of SABS standards to SANS standards, to update the definition of "acceptable", and to update referenced standards. Amdt Amended to update the requirements for polyurethane foam, and to update referenced standards. Amdt Amended to update referenced standards. Foreword This South African standard was approved by National Committee SABS/TC 136, Furniture, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This document was approved for publication in March This document supersedes SANS 1420:2012 (edition 1.2). A vertical line in the margin shows where the text has been technically modified by amendment No. 3. Compliance with this document cannot confer immunity from legal obligations.

3 Contents Page Foreword 1 Scope Definitions General Constructional requirements Performance requirements Marking Inspection and methods of test Inspection Spring resistance test Impact resistance test (bed bases) Load resistance test (castors and glides) Impact resistance test (castors and glides) Durability test Test for breaking strength of woven ticking Test for bursting strength of knitted or non-woven ticking Test for colour fastness of ticking to light Test for mass per unit area of textiles Integrity test (headboard thread fittings) Appendix A Applicable standards Appendix B Notes to purchasers Appendix C Quality evaluation of spring-upholstered bed bases produced to the requirements laid down in the specification

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5 Bed bases (spring upholstered) 1 Scope 1.1 This specification covers the requirements for two types of spring-upholstered bed bases intended for domestic use with the relevant compatible sizes of innerspring mattresses for adults (see applicable standard). Amdt 3 NOTE a) The standards referred to in the specification are listed in appendix A. b) Requirements that must be specified by the purchaser are listed in appendix B. c) Guidance on the verification of the quality of spring- upholstered bed bases produced to this specification is given in appendix C. 2 Definitions 2.1 For the purposes of this specification the following definitions shall apply: acceptable acceptable to the authority administering this standard, or to the parties concluding the purchase contract, as relevant Amdt 1 bed base spring-upholstered support system (excluding a headboard) for a bed mattress spring system unit sum total of all steel components used within the bed base and designed to offer spring resistance to downward forces applied perpendicular to the top surface of the bed-base chipfoam composite material that consists of chips of flexible polyurethane foam (of the polyether or the polyester type or of a mixture of these types) held together by means of a suitable binder polyurethane foam cellular material produced by the reaction of a polyol with an organic polyisocyanate in the presence of water, and that may include catalysts, surface active agents, auxiliary blowing agents, fillers, plasticizers, colorants and any other additives that do not adversely affect the properties of the foam 3