1、Plastics Fluoropolymer dispersions and moulding and extrusion materialsPart 2: Preparation of test specimens and determination of propertiesBS EN ISO 205682:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 2
2、0568-2 June 2017 ICS 83.080.20 Supersedes EN ISO 12086-2:2006English Version Plastics - Fluoropolymer dispersions and moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 20568-2:2017) Plastiques - Polymres fluors: dispersions et matriaux pour
3、 moulage et extrusion - Partie 2: Prparation des prouvettes et dtermination des proprits (ISO 20568-2:2017) Kunststoffe - Fluorpolymerdispersionen, Formmassen und Extrusionsmaterialien - Teil 2: Herstellung von Probekrpern und Bestimmung von Eigenschaften (ISO 20568-2:2017) This European Standard wa
4、s approved by CEN on 29 April 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. Up-to-date lists and bibliographical references concerning such nat
5、ional standards may be obtained on application to the CEN-CENELEC 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 lang
6、uage and notified to the CEN-CENELEC 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
7、, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NO
8、RMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 20568-2:2017 ENational forewordThis British Standard is the UK implementation of EN ISO 205682:2017. It
9、 is identical to ISO 205682:2017. It supersedes BS EN ISO 120862:2006, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee PRI/82, Thermoplastic materials.A list of organizations represented on this committee can be obtained on request to its secretary.Thi
10、s publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 89762 7ICS 83.080.20Compliance with a British Standard cannot confer i
11、mmunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO 205682:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NO
12、RM EN ISO 20568-2 June 2017 ICS 83.080.20 Supersedes EN ISO 12086-2:2006English Version Plastics - Fluoropolymer dispersions and moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 20568-2:2017) Plastiques - Polymres fluors: dispersions et ma
13、triaux pour moulage et extrusion - Partie 2: Prparation des prouvettes et dtermination des proprits (ISO 20568-2:2017) Kunststoffe - Fluorpolymerdispersionen, Formmassen und Extrusionsmaterialien - Teil 2: Herstellung von Probekrpern und Bestimmung von Eigenschaften (ISO 20568-2:2017) This European
14、Standard was approved by CEN on 29 April 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. Up-to-date lists and bibliographical references concerni
15、ng such national standards may be obtained on application to the CEN-CENELEC 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 i
16、ts own language and notified to the CEN-CENELEC 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, Germ
17、any, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KO
18、MITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 20568-2:2017 EBS EN ISO 205682:2017EN ISO 20568-2:2017 (E) 2 European foreword This document
19、 (EN ISO 20568-2:2017) has been 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
20、 text or by endorsement, at the latest by December 2017 and conflicting national standards shall be withdrawn at the latest by December 2017. 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 res
21、ponsible for identifying any or all such patent rights. This document supersedes EN ISO 12086-2:2006. 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, Croatia,
22、 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, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey a
23、nd the United Kingdom. Endorsement notice The text of ISO 20568-2:2017 has been approved by CEN as EN ISO 20568-2:2017 without any modification. ISO 20568-2:2017(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 24 Preparation of test specimens 25 Conditioning and test condit
24、ions . 26 Determination of properties 27 Testing of PTFE . 27.1 Testing of polytetrafluoroethylene (PTFE) granular moulding and ram extrusion materials, and for PTFE resin produced from coagulation of dispersion 27.1.1 Standard specific gravity (SSG) . 27.1.2 Bulk density . 47.1.3 Particle size and
25、size distribution . 87.2 Testing of polytetrafluoroethylene (PTFE) dispersion 157.2.1 Preparation of test samples . 157.2.2 Percentage PTFE and surfactant in aqueous dispersion 158 Testing of melt processable fluoropolymers 168.1 Testing of CPT, ECTFE, EFEP, ETFE, FEP, PFA, PVDF, PVF, VDF/CTFE, VDF/
26、HFP, VDF/TFE, VDF/TFE/HFP 168.1.1 Melting-peak temperature . 168.1.2 Melt mass-flow rate (MFR) 168.2 Testing of PCTFE . 188.2.1 Zero-strength time 188.3 Testing of TFE/PDD . 188.3.1 Glass transition temperature . 188.4 Testing of melt processable fluoropolymers dispersion 19Bibliography .20 ISO 2017
27、 All rights reserved iiiContents PageBS EN ISO 205682:2017ISO 20568-2:2017(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 24 Preparation of test specimens 25 Conditioning and test conditions . 26 Determination of properties 27 Testing of PTFE . 27.1 Testing of polytetraflu
28、oroethylene (PTFE) granular moulding and ram extrusion materials, and for PTFE resin produced from coagulation of dispersion 27.1.1 Standard specific gravity (SSG) . 27.1.2 Bulk density . 47.1.3 Particle size and size distribution . 87.2 Testing of polytetrafluoroethylene (PTFE) dispersion 157.2.1 P
29、reparation of test samples . 157.2.2 Percentage PTFE and surfactant in aqueous dispersion 158 Testing of melt processable fluoropolymers 168.1 Testing of CPT, ECTFE, EFEP, ETFE, FEP, PFA, PVDF, PVF, VDF/CTFE, VDF/HFP, VDF/TFE, VDF/TFE/HFP 168.1.1 Melting-peak temperature . 168.1.2 Melt mass-flow rat
30、e (MFR) 168.2 Testing of PCTFE . 188.2.1 Zero-strength time 188.3 Testing of TFE/PDD . 188.3.1 Glass transition temperature . 188.4 Testing of melt processable fluoropolymers dispersion 19Bibliography .20 ISO 2017 All rights reserved iiiContents PageBS EN ISO 205682:2017ISO 20568-2:2017(E)ForewordIS
31、O (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 body interested in a subject for which a technical co
32、mmittee 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 Electrotechnical Commission (IEC) on all matters of electro
33、technical 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 different approval criteria needed for the different types of ISO documents should be noted. This document was draf
34、ted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent
35、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 (see h t t p :/ www .iso .org/ patents).Any trade name used in this document is information given for the convenience of users and
36、 does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to T
37、rade (TBT) see the following URL: www .iso .org/ iso/ foreword .html.This document was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 9, Thermoplastic materials.This first edition of ISO 20568-2 cancels and replaces ISO 12086-2:2006, which has been technically revised. A list o
38、f all parts in the ISO 20568 series can be found on the ISO website.iv ISO 2017 All rights reservedBS EN ISO 205682:2017ISO 20568-2:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparin
39、g International 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 non-governmental, in liai
40、son with ISO, also take part in the work. 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 Dire
41、ctives, Part 1. In particular the different 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 (see www .iso .org/ directives).Attention is drawn to the possibility that
42、 some of the elements of this document may be the 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 dec
43、larations received (see h t t p :/ www .iso .org/ patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related
44、to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html.This document was prepared by Technical Committee ISO/TC 61, Plastics, Subcommitte
45、e SC 9, Thermoplastic materials.This first edition of ISO 20568-2 cancels and replaces ISO 12086-2:2006, which has been technically revised. A list of all parts in the ISO 20568 series can be found on the ISO website.iv ISO 2017 All rights reserved INTERNATIONAL STANDARD ISO 20568-2:2017(E)Plastics
46、Fluoropolymer dispersions and moulding and extrusion materials Part 2: Preparation of test specimens and determination of propertiesSAFETY STATEMENT Persons using this document should be familiar with normal laboratory practice, if applicable. This document does not purport to address all of the saf
47、ety concerns, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any regulatory requirements. The warnings in 7.1.1.4 and 7.1.3.1 point out specific hazards.1 ScopeThis document describes the prepar
48、ation of test specimens and provides test methods to define characteristics of thermoplastic fluoropolymer resins. Results from the testing can be used as the basis for designation, material specifications or both.2 Normative referencesThe following documents are referred to in the text in such a wa
49、y that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 291, Plastics Standard atmospheres for conditioning and testingISO 472, Plastics VocabularyISO 565, Test sieves Metal wire cloth, perforated metal plate and electroformed sheet Nominal sizes of openings.ISO 1133-1:2011, Plastics Determination of the melt mass-flow rate (MFR)
