BS-EN-ISO-62-2008.pdf
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1、BRITISH STANDARD BS EN ISO 62:2008 Plastics Determination of water absorption ICS 83.080.01 ? Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:38:58 MDTNo reproduction or networking permitte
2、d without license from IHS -,-,- BS EN ISO 62:2008 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2008 BSI 2008 ISBN 978 0 580 60709 7 National foreword This British Standard is the UK implementation of EN ISO 62:2008. It supersedes
3、 BS EN ISO 62:1999 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PRI/21, Testing of plastics. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the nec
4、essary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComments Copyright British Standards Institution Provided by IHS under license with
5、 BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:38:58 MDTNo reproduction or networking permitted without license from IHS -,-,- EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 62 February 2008 ICS 83.080.01Supersedes EN ISO 62:1999 English Version Plasti
6、cs - Determination of water absorption (ISO 62:2008) Plastiques - Dtermination de labsorption deau (ISO 62:2008) Kunststoffe - Bestimmung der Wasseraufnahme (ISO 62:2008) This European Standard was approved by CEN on 28 January 2008. CEN members are bound to comply with the CEN/CENELEC Internal Regu
7、lations which 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 Management Centre or to any CEN member. This
8、 European 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 Management Centre has the same status as the official versions. CEN members are t
9、he national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerla
10、nd and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN
11、ISO 62:2008: E Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:38:58 MDTNo reproduction or networking permitted without license from IHS -,-,- Foreword This document (EN ISO 62:2008) has be
12、en prepared by Technical Committee ISO/TC 61 “Plastics“ in collaboration with Technical Committee CEN/TC 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 t
13、he latest by August 2008, and conflicting national standards shall be withdrawn at the latest by August 2008. 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
14、all such patent rights. This document supersedes EN ISO 62:1999. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Fin
15、land, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 62:2008 has been approved by CEN as a EN IS
16、O 62:2008 without any modification. BS EN ISO 62:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:38:58 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 62:
17、2008(E) iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references. 1 3 Principle. 2 4 Apparatus 2 5 Test specimens. 2 5.1 General. 2 5.2 Square-shaped test specimens for homogeneous plastics. 3 5.3 Test specimens of reinforced plastics affected by anisotropic diffusion effects
18、3 5.4 Tubular test specimens 3 5.5 Rod-shaped test specimens 4 5.6 Specimens cut from finished products, extrusion compounds, sheets or laminates 4 6 Test conditions and procedures . 4 6.1 General. 4 6.2 General conditions . 4 6.3 Method 1: Determination of amount of water absorbed after immersion i
19、n water at 23 C 5 6.4 Method 2: Determination of amount of water absorbed after immersion in boiling water. 5 6.5 Method 3: Determination of water-soluble matter lost during immersion 6 6.6 Method 4: Determination of amount of water absorbed after exposure to 50 % relative humidity. 6 7 Expression o
20、f results . 6 7.1 Percentage by mass of water absorbed. 6 7.2 Determination of the water content at saturation and the water diffusion coefficient using Ficks laws. 7 8 Precision 8 9 Test report . 9 Annex A (informative) Correlation between water absorption by test specimens and Ficks diffusion laws
21、 10 Annex B (informative) Precision statement. 12 Bibliography. 15 BS EN ISO 62:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:38:58 MDTNo reproduction or networking permitted without
22、 license from IHS -,-,- ISO 62:2008(E) iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member
23、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. ISO collaborates closely with the International Electr
24、otechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted
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