1、BSI Standards PublicationBS EN ISO 5999:2013Flexible cellular polymericmaterials Polyurethane foamfor load-bearing applicationsexcluding carpet underlay SpecificationBS EN ISO 5999:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 5999:2013.It supersedes
2、BS EN ISO 5999:2007 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PRI/24, Testing of rigid and flexible cellular materials.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purpo
3、rt to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 76967 2ICS 83.100Compliance with a British Standard cannot confer immunity fromlegal obligations.Thi
4、s British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2013.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 5999 September 2013 ICS 83.100 Supersedes EN ISO 5999:2007English Vers
5、ion Flexible cellular polymeric materials - Polyurethane foam for load-bearing applications excluding carpet underlay - Specification (ISO 5999:2013) Matriaux polymres alvolaires souples - Mousse de polyurthanne pour utilisations soumises des charges, lexclusion des revers de tapis - Spcifications (
6、ISO 5999:2013) Weich-elastische Polymerschaumstoffe - Polyurethanschaumstoffe fr Polsterzwecke mit Ausnahme von Teppichunterlagen - Anforderungen (ISO 5999:2013) This European Standard was approved by CEN on 26 July 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations whic
7、h stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This Eur
8、opean Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members a
9、re the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, R
10、omania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and
11、 by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 5999:2013: EBS EN ISO 5999:2013EN ISO 5999:2013 (E) 3 Foreword This document (EN ISO 5999:2013) has been prepared by Technical Committee ISO/TC 45 “Rubber and rubber products” in collaboration with Technical Committee CEN/TC
12、249 “Plastics” the secretariat of which is held by NBN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 2014, and conflicting national standards shall be withdrawn at the latest by March 201
13、4. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 5999:2007. According to the CEN-CENELEC Internal Re
14、gulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland,
15、 Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 5999:2013 has been approved by CEN as EN ISO 5999:2013 without any modification. BS EN ISO 5
16、999:2013ISO 5999:2013(E) ISO 2013 All rights reserved iiiContents PageForeword iv1 Scope . 12 Normative references 13 Classification 23.1 Type 23.2 Class 23.3 Grade 54 Requirements 54.1 Material . 54.2 Construction 64.3 Surface condition 64.4 Odour . 64.5 Colour 64.6 Component mass and density 64.7
17、Dimensions . 64.8 Physical properties 74.9 Burning properties . 105 Test methods 105.1 Test conditions . 105.2 Mass . 115.3 Dimensions 115.4 Density 115.5 Hardness 115.6 Resilience 115.7 Compression set 115.8 Dynamic fatigue by constant-load pounding . 115.9 Tensile strength and elongation at break
18、115.10 Burning behaviour 115.11 Heat ageing 115.12 Humidity ageing 116 Inspection .126.1 General 126.2 Type inspection . 126.3 Shipping inspection . 127 Marking .12Annex A (informative) Typical applications for each class of material .14Annex B (informative) Burning properties of flexible polyuretha
19、ne foam and recommendations regarding its use 15Bibliography .17BS EN ISO 5999:2013ISO 5999:2013(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally ca
20、rried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work
21、. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the differ
22、ent approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2. www.iso.org/directivesAttention is drawn to the possibility that some of the elements of this document may be the
23、 subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received. www.iso.org/patentsAny trade
24、name used in this document is information given for the convenience of users and does not constitute an endorsement.The committee responsible for this document is ISO/TC 45, Rubber and rubber products, Subcommittee SC 4, Products (other than hoses).This third edition cancels and replaces the second
25、edition (ISO 5999:2007), which has been technically revised.iv ISO 2013 All rights reservedBS EN ISO 5999:2013INTERNATIONAL STANDARD ISO 5999:2013(E)Flexible cellular polymeric materials Polyurethane foam for load-bearing applications excluding carpet underlay Specification1 ScopeThis International
26、Standard specifies requirements for flexible load-bearing polyurethane foam of the polyether type.It is applicable to flexible polyurethane cellular materials manufactured in block, sheet and strip form, in moulded and fabricated shapes, and as reconstituted material, used for load-bearing applicati
27、ons in general, but excluding carpet backing and underlay. It, thus, primarily relates to the quality of polyurethane foam used for comfort cushioning purposes.The foam is classified according to the type of foam, the performance during a fatigue test, and the indentation hardness index used as a me
28、ans of grading materials.This International Standard is not applicable to polyurethane foams foamed in place or to foams for use in heat-welded systems unless for load-bearing purposes.Recommended applications for the range of flexible polyurethane foams covered by this International Standard are li
29、sted in Annex A.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (incl
30、uding any amendments) applies.ISO 845, Cellular plastics and rubbers Determination of apparent densityISO 1798, Flexible cellular polymeric materials Determination of tensile strength and elongation at breakISO 1856, Flexible cellular polymeric materials Determination of compression setISO 1923, Cel
31、lular plastics and rubbers Determination of linear dimensionsISO 2439:2008, Flexible cellular polymeric materials Determination of hardness (indentation technique)ISO 2440, Flexible and rigid cellular polymeric materials Accelerated ageing testsISO 3385, Flexible cellular polymeric materials Determi
32、nation of fatigue by constant-load poundingISO 3582, Flexible cellular polymeric materials Laboratory assessment of horizontal burning characteristics of small specimens subjected to a small flameISO 3795, Road vehicles, and tractors and machinery for agriculture and forestry Determination of burnin
33、g behaviour of interior materialsISO 8307, Flexible cellular polymeric materials Determination of resilience by ball reboundISO 23529, Rubber General procedures for preparing and conditioning test pieces for physical test methods ISO 2013 All rights reserved 1BS EN ISO 5999:2013ISO 5999:2013(E)3 Cla
34、ssification3.1 TypeFor the purposes of this International Standard, flexible polyurethane foams are classified in accordance with Table 1.Table 1 Types of foamType Description of foamILB Block foam, slabstock or contour cut low resilience (known as “viscoelastic”)MB Block foam, slabstock or contour
35、cut (conventional)HB Block foam, slabstock or contour cut (high resilience)IILM Moulded low resilience (known as “viscoelastic”)MM Moulded (conventional)HM Moulded (high resilience)III RE Reconstituted or bonded3.2 Class3.2.1 Materials of the types of foam listed in Table 1, except for type MM (see
36、footnote b to Table 7) and RE (see footnote a to Table 8), are subdivided into five classes based on the performance in the constant-load pounding test described in ISO 3385.3.2.2 The five classes, their intended types of service and their intended hardness loss ratio are given in Table 2.Table 2 Cl
37、asses and intended types of serviceClass Type of serviceHardness loss ratioP (%)X Exceptionally severe 0 P 12V Very severe 12 P 22S Severe 22 P 32A Average 32 P 39L Light 39 P 45NOTE The hardness loss ratio is calculated from the following formula:PHFH=100whereP is the hardness loss ratio (%);H is t
38、he initial hardness index (N);F is the final hardness index (N).3.2.3 Classes X, V, S, A and L are defined by the indentation hardness loss over the range of hardness index values from 0 N to 650 N, as shown in Figures 1 and 2, provided the requirements for physical properties specified in Table 6,
39、Table 7 and Table 8 are met.2 ISO 2013 All rights reservedBS EN ISO 5999:2013ISO 5999:2013(E)KeyX initial indentation hardness index (N)Y indentation hardness loss, (H F) (see the Note to Table 2) (N)1 below lowest line, material does not comply with this International StandardaHardness index grades
40、.bClasses of material.Figure 1 Fatigue classes and indentation hardness index grades Low hardness values ISO 2013 All rights reserved 3BS EN ISO 5999:2013ISO 5999:2013(E)KeyX initial indentation hardness index (N)Y indentation hardness loss, (H F) (see the Note to Table 2) (N)1 below lowest line, ma
41、terial does not comply with this International StandardaHardness index grades.bClasses of material.NOTE 1 Class A and class L materials might not be available at all high hardness levels.NOTE 2 Reconstituted foam (type RE), because of its good fatigue properties combined with poorer compression set,
42、 tensile strength and elongation at break properties, is specified separately in Table 8. It is generally used as thin, firm padding or to provide reinforcement for the other foams.Figure 2 Fatigue classes and indentation hardness index grades High hardness values4 ISO 2013 All rights reservedBS EN
43、ISO 5999:2013ISO 5999:2013(E)3.2.4 As an example, in Figure 1, a material of initial hardness indentation index 140 N, with an indentation hardness loss greater than or equal to 0 N and less than 17 N is a class X material, with a hardness loss greater than or equal to 17 N and less than 31 N is a c
44、lass V material, with a hardness loss greater than or equal to 31 N and less than 45 N is a class S material, with a hardness loss greater than or equal to 45 N and less than 55 N is a class A material, and with a hardness loss greater than or equal to 55 N and less than 63 N is a class L material,p
45、rovided, in all cases, the other property levels are achieved.3.2.5 Any material having an initial indentation hardness index of 140 N and a hardness loss greater than 63 N does not comply with the requirements of this International Standard (see key item 1 of Figures 1 and 2).3.3 GradePolyurethane
46、foams are further graded by indentation hardness index, as determined by method A described in ISO 2439, in accordance with Table 3.Table 3 Grading by indentation hardness indexGradeIndentation hardness indexN30 25 to 4050 41 to 6070 61 to 85100 86 to 110130 115 to 150170 155 to 190210 195 to 235270
47、 240 to 295330 300 to 360400 365 to 425470 430 to 520600 525 to 650NOTE It can be impossible to manufacture foam falling into all these grades in each of the material classes. To control the hardness of foam within the above-mentioned grades, the selection of material can be carried out, since the t
48、ypical variation of the hardness of foam within and between productions can be of the order of 16 %.4 Requirements4.1 MaterialFlexible polyurethane foam shall consist of a network of cells which are essentially open and interconnecting. It shall be free from abnormalities that are likely to adversel
49、y affect its performance. ISO 2013 All rights reserved 5BS EN ISO 5999:2013ISO 5999:2013(E)4.2 Construction4.2.1 Flexible polyurethane foams may be supplied in block, sheet or strip form, or in moulded or fabricated shapes, which may be cavitied or profiled.4.2.2 Depending on the manufacturing conditions, the foam may have to be corrected or repaired. Repaired or corrected foam shall be considered to comply with this International Standard if the foam used in such repa
