EN ISO 2507-3-2017 en Thermoplastics pipes and fittings - Vicat softening temperature - Part 3 Test conditions for acrylonitrile butadiene styrene (ABS) and acrylonitrile styrene a.pdf

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1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Thermoplastics pipes and fittings - Vicat softening temperaturePart 3: Test conditions for acrylonitrile/butadiene/styrene (ABS) and acrylonitrile/styrene/acrylic ester (ASA) pipes and fittingsBS EN ISO 25073:2017Nation

2、al forewordThis British Standard is the UK implementation of EN ISO 25073:2017. It is identical to ISO 25073:1995. Together with BS EN ISO 25071:2017 and BS EN ISO 25072:2017, it supersedes BS EN 727:1995, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committe

3、e PRI/88, Plastics piping systems.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 necessary provisions of a contract. Users are responsible for its correct application. The British Standards Instit

4、ution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 96914 0ICS 23.040.45; 23.040.20Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2018.Amend

5、ments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO 25073:2017EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 2507-3October 2017ICS 23.040.20; 23.040.45EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC

6、 Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN Ref. No. EN ISO 25073:2017: EAll rights of exploitation in any form and by any means reserved worldwide for CEN national MembersThermoplastics pipes and fittings Vicat softening temperature Part 3: Test conditions for acrylonitrile/butad

7、iene/styrene (ABS) and acrylonitrile/styrene/acrylic ester (ASA) pipes and fittings (ISO 25073:1995)Tubes et raccords en matires thermoplastiques Temprature de ramollissement Vicat Partie 3: Conditions particulires dessai pour tubes et raccords en acrylonitrile/butadine/styrne (ABS) et en acrylonitr

8、ile/styrne/ester acrylique (ASA) (ISO 25073:1995)Rohre und Formstcke aus Thermoplasten VicatErweichungstemperatur Teil 3: Prfbedingungen fr Rohre und Formstcke aus AcrylnitrilButadienStyrol (ABS) und AcrylnitrilStyrolAcrylester (ASA) (ISO 25073:1995)This European Standard was approved by CEN on 19 S

9、eptember 2017.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Uptodate lists and bibliographical references concerning such national standards may be o

10、btained on application to the CENCENELEC Management Centre or to any CEN member.This 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 C

11、ENCENELEC Management Centre has the same status as the official versions.CEN members are 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,

12、 Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN ISO 2507-3:2017 (E)European forewordThe text of ISO 25073:1995 has been prepared by Technical Committee IS

13、O/TC 138 “Plastics pipes, fittings and valves for the transport of fluids” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 25073:2017 by Technical Committee CEN/TC 155 “Plastics piping systems and ducting systems” the secretariat of which is held by NEN.

14、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 April 2018, and conflicting national standards shall be withdrawn at the latest by October 2020.Attention is drawn to the possibility that some of t

15、he elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights.This document supersedes EN 727:1994.According to the CENCENELEC Internal Regulations, the national standards organizations of the following countries are

16、 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, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Por

17、tugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.Endorsement noticeThe text of ISO 25073:1995 has been approved by CEN as EN ISO 25073:2017 without any modification.2BS EN ISO 25073:2017ISO 2507-3:1995Foreword iv1 Scope .12 Normative reference .13

18、 Principle 14 Apparatus .15 Test pieces .16 Conditioning 26.1 Preliminary drying of test pieces 26.2 Conditioning of dried test pieces. 27 Procedure. 28 Test report . 2Annex A (informative) Acrylonitrile/butadiene/styrene (ABS) pipes and fittings Basic specification 3Annex (informative) Acrylonitril

19、e/styrene/acrylic ester (ASA) Basic specification . 4 ISO 1995 All rights reserved iiiContents PageBS EN ISO 25073:2017ISO 2507-3:1995ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing Int

20、ernational Standards is normally carried 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 nongovernmental, in liaison wi

21、th ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an

22、 International Standard requires approval by at least 75 % of the member bodies casting a vote.International Standard ISO 25073 was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves for the transport of fluids, Subcommittee SC 5, General properties of pipes, fittings an

23、d valves of plastic materials and their accessories Test methods and basic specifications .ISO 2507 consists of the following parts, under the general title Thermoplastics pipes and fittings Vicat softening temperature: Part 1: General test method Part 2: Test conditions for unplasticized poly(vinyl

24、 chloride) (PVC-U) or chlorinated poly(vinyl chloride) (PVC-C) pipes and fittings and for high impact resistance poly(vinyl chloride) (PVC-HI) pipes Part 3: Test conditions for acrylonitrile/butadiene/styrene (ABS) and acrylonitrile/styrene/acrylic ester (ASA) pipes and fittings Annexes A and of thi

25、s part of ISO 2507 are for information only.iv ISO 1995 All rights reservedBS EN ISO 25073:2017Thermoplastics pipes and fittings - Vicat softening temperature Part 3: Test conditions for acrylonitrile/butadiene/styrene (ABS) and acrylonitrile/styrene/acrylic ester (ASA) pipes and fittings1 ScopeThis

26、 part of ISO 2507 specifies the particular test conditions for determining the Vicat softening temperature of acrylonitrile/butadiene/styrene (ABS) and acrylonitrile/styrene/acrylic ester (ASA) pipes and fittings.It also gives, for information, the corresponding basic specifications.NOTE 1 The gener

27、al test method for determining the Vicat softening temperature of thermoplastics pipes and fittings is given in ISO 25071.2 Normative referenceThe following standard contains provisions which, through reference in this text, constitute provisions of this part of ISO 2507. At the time of publication,

28、 the edition indicated was valid. All standards are subject to revision, and parties to agreements based on this part of ISO 2507 are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below. Members of IEC and ISO maintain registers of currently

29、valid International Standards.ISO 25071:1995, Thermoplastics pipes and fittings Vicat softening temperature Part 1: General test method.3 PrincipleSee clause 3 in ISO 25071:1995, applicable to the thermoplastics materials covered by this part of ISO 2507.4 ApparatusSee clause 4 in ISO 25071:1995: us

30、e the oven (4.7) instead of the heating bath (4.5).5 Test piecesSee clause 5 in ISO 25071:1995.INTERNATIONAL STANDARD ISO 2507-3:1995 ISO 1995 All rights reserved 1BS EN ISO 25073:2017ISO 2507-3:19956 Conditioning6.1 Preliminary drying of test piecesImmediately before conditioning in accordance with

31、 6.2, predry the test pieces as follows: place the test pieces for 2 h in the oven (see ISO 25071:1995) controlled at 90 C 2 C; then let them cool in air at 23 C 2 C and (50 5) % relative humidity, for 15 min 1 min.6.2 Conditioning of dried test piecesCondition the dried test pieces (see 6.1) in acc

32、ordance with clause 6 of ISO 25071:1995.7 ProcedureSee clause 7 in ISO 25071:1995.8 Test reportSee clause 8 in ISO 25071:1995.2 ISO 1995 All rights reservedBS EN ISO 25073:2017ISO 2507-3:1995Annex A (informative) Acrylonitrile/butadiene/styrene (ABS) pipes and fittings Basic specificationWhen tested

33、 in accordance with this part of ISO 2507, the Vicat softening temperature (VST) of acrylonitrile/butadiene/styrene (ABS) pipes and fittings should be not less than 90 C.For specific applications which need more stringent requirements, minimum values greater than those specified above are given in t

34、he relevant product standards. ISO 1995 All rights reserved 3BS EN ISO 25073:2017ISO 2507-3:1995Annex (informative) Acrylonitrile/styrene/acrylic ester (ASA) Basic specificationWhen tested in accordance with this part of ISO 2507, the Vicat softening temperature (VST) of acrylonitrile/styrene/acryli

35、c ester (ASA) pipes and fittings should be not less than 90 C.For specific applications which need more stringent requirements, minimum values greater than those defined above are given in the relevant product standards.4 ISO 1995 All rights reservedBS EN ISO 25073:2017This page deliberately left bl

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