Plastics - Polytetrafluoroethylene (PTFE) semi-finished products - Part 2: Preparation of test specimens and determination of properties (ISO 13000-2:2005)

This part of ISO 13000 specifies the  preparation of test specimens and gives the  test methods applicable to semi-finished  products of polytetrafluoroethylene (PTFE).

Kunststoffe - Polytetrafluorethylen (PTFE)-Halbzeuge - Teil 2: Herstellung von Probekörpern und Bestimmung von Eigenschaften (ISO 13000-2:2005)

Dieser Teil von ISO 13000 legt die Herstellung von Probekörpern und die Prüfverfahren für Halbzeuge aus Polytetrafluorethylen (PTFE) fest.

Plastiques - Semi-produits en polytétrafluoroéthylene (PTFE) - Partie 2: Préparation des éprouvettes et détermination des propriétés (ISO 13000-2:2005)

L'ISO 13000-2:2005 spécifie le mode de préparation des éprouvettes et les méthodes d'essai applicables aux semi-produits en polytétrafluoroéthylène (PTFE).

Polimerni materiali – Polizdelki iz politetrafluoroetilena (PTFE) – 2. del: Priprava preskušancev in določanje lastnosti(ISO/DIS 13000-2:2004)

General Information

Status
Published
Publication Date
31-Mar-2006
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Apr-2006
Due Date
01-Apr-2006
Completion Date
01-Apr-2006

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Plastics - Polytetrafluoroethylene (PTFE) semi-finished products - Part 2: Preparation of

test specimens and determination of properties (ISO 13000-2:2005)
Kunststoffe - Polytetrafluorethylen (PTFE)-Halbzeuge - Teil 2: Herstellung von
Probekörpern und Bestimmung von Eigenschaften (ISO 13000-2:2005)

Plastiques - Semi-produits en polytétrafluoroéthylene (PTFE) - Partie 2: Préparation des

éprouvettes et détermination des propriétés (ISO 13000-2:2005)
Ta slovenski standard je istoveten z: EN ISO 13000-2:2005
ICS:
83.140.01 Izdelki iz gume in polimernih Rubber and plastics products
materialov na splošno in general
SIST EN ISO 13000-2:2006 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 13000-2:2006
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SIST EN ISO 13000-2:2006
EUROPEAN STANDARD
EN ISO 13000-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2005
ICS 83.140.01 Supersedes EN ISO 13000-2:1997
English Version
Plastics - Polytetrafluoroethylene (PTFE) semi-finished products
- Part 2: Preparation of test specimens and determination of
properties (ISO 13000-2:2005)

Plastiques - Semi-produits en polytétrafluoroéthylène Kunststoffe - Polytetrafluorethylen (PTFE)-Halbzeuge - Teil

(PTFE) - Partie 2: Préparation des éprouvettes et 2: Herstellung von Probekörpern und Bestimmung von

détermination des propriétés (ISO 13000-2:2005) Eigenschaften (ISO 13000-2:2005)
This European Standard was approved by CEN on 4 November 2005.

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 national

standards may be obtained on application to the Central Secretariat 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 Central Secretariat has the same status as the official

versions.

CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,

Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,

Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels

© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 13000-2:2005: E

worldwide for CEN national Members.
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SIST EN ISO 13000-2:2006
EN ISO 13000-2:2005 (E)
Foreword

This document (EN ISO 13000-2:2005) 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 IBN.

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 May 2006, and conflicting national standards

shall be withdrawn at the latest by May 2006.
This document supersedes EN ISO 13000-2:1997.

According to the CEN/CENELEC Internal Regulations, the national standards organizations of

the following countries are bound to implement this European Standard: Austria, Belgium,

Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,

Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,

Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Endorsement notice

The text of ISO 13000-2:2005 has been approved by CEN as EN ISO 13000-2:2005 without any

modifications.
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SIST EN ISO 13000-2:2006
INTERNATIONAL ISO
STANDARD 13000-2
Second edition
2005-11-15
Plastics — Polytetrafluoroethylene
(PTFE) semi-finished products —
Part 2:
Preparation of test specimens and
determination of properties
Plastiques — Semi-produits en polytétrafluoroéthylène (PTFE) —
Partie 2: Préparation des éprouvettes et détermination des propriétés
Reference number
ISO 13000-2:2005(E)
ISO 2005
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SIST EN ISO 13000-2:2006
ISO 13000-2:2005(E)
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© ISO 2005

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,

electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or

ISO's member body in the country of the requester.
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ii © ISO 2005 – All rights reserved
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SIST EN ISO 13000-2:2006
ISO 13000-2:2005(E)
Contents Page

Foreword............................................................................................................................................................ iv

1 Scope ..................................................................................................................................................... 1

2 Normative references ........................................................................................................................... 1

3 Terms and definitions........................................................................................................................... 2

4 Sampling................................................................................................................................................ 2

5 Preparation of test specimens ............................................................................................................ 2

6 Testing of semi-finished PTFE products............................................................................................ 2

6.1 General................................................................................................................................................... 2

6.2 Linear dimensions ................................................................................................................................ 2

6.3 Tensile properties................................................................................................................................. 3

6.4 Density ................................................................................................................................................... 7

6.5 Loss in mass at 300 °C......................................................................................................................... 7

6.6 Dimensional stability — General method........................................................................................... 7

6.7 Dimensional stability — Special method for the determination of the dimensional and the

geometrical stability of thick-walled tubes ........................................................................................ 8

6.8 Electrical properties ............................................................................................................................. 9

6.9 Hardness................................................................................................................................................ 9

6.10 Colour .................................................................................................................................................... 9

6.11 Radiographic examination................................................................................................................... 9

6.12 Resistance to environmental stress cracking (ESC) ........................................................................ 9

6.13 Deformation under load ....................................................................................................................... 9

Annex A (informative) Other standards relating to testing semi-finished products of PTFE .................. 10

© ISO 2005 – All rights reserved iii
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SIST EN ISO 13000-2:2006
ISO 13000-2:2005(E)
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 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 Electrotechnical 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 by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

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 rights.

ISO 13000-2 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 9, Thermoplastic

materials.

This second edition cancels and replaces the first edition (ISO 13000-2:1997), which has been technically

revised.

ISO 13000 consists of the following parts, under the general title Plastics — Polytetrafluoroethylene (PTFE)

semi-finished products:
— Part 1: Requirements and designation
— Part 2: Preparation of test specimens and determination of properties
iv © ISO 2005 – All rights reserved
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SIST EN ISO 13000-2:2006
INTERNATIONAL STANDARD ISO 13000-2:2005(E)
Plastics — Polytetrafluoroethylene (PTFE) semi-finished
products —
Part 2:
Preparation of test specimens and determination of properties

WARNING — Persons using this document should be familiar with normal laboratory practice, if

applicable. This document does not purport to address all of the safety 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.
1 Scope

This part of ISO 13000 specifies the preparation of test specimens and gives the test methods applicable to

semi-finished products of polytetrafluoroethylene (PTFE).
2 Normative references

The following referenced documents are indispensable for the application 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 472, Plastics — Vocabulary

ISO 527-2, Plastics — Determination of tensile properties — Part 2: Test conditions for moulding and

extrusion plastics

ISO 527-3, Plastics — Determination of tensile properties — Part 3: Test conditions for films and sheets

ISO 868, Plastics and ebonite — Determination of indentation hardness by means of a durometer (Shore

hardness)

ISO 1183 (all parts), Plastics — Methods for determining the density of non-cellular plastics

ISO 1923, Cellular plastics and rubbers — Determination of linear dimensions

ISO 2039-1, Plastics — Determination of hardness — Part 1: Ball indentation method

ISO 3611, Micrometer callipers for external measurement

ISO 4599, Plastics — Determination of resistance to environmental stress cracking (ESC) — Bent strip

method

ISO 4600, Plastics — Determination of environmental stress cracking (ESC) — Ball or pin impression method

ISO 13000-1, Plastics — Polytetrafluoroethylene (PTFE) semi-finished products — Part 1: Requirements and

designation
© ISO 2005 – All rights reserved 1
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SIST EN ISO 13000-2:2006
ISO 13000-2:2005(E)

IEC 60243-1:1998, Electrical strength of insulating materials — Part 1: Tests at power frequencies

IEC 60243-2, Electric strength of insulating materials — Part 2: Additional requirements for tests using direct

voltage

ASTM D 621-64, Test methods for Deformation of Plastics Under Load (Withdrawn — see Subclause 6.13 for

details of availability)

ASTM D 1389, Standard Test Method for Proof-Voltage Testing of Thin Solid Electrical Insulating Materials

ASTM E 94, Standard Guide for Radiographic Examination
CIE Publication No. 15, Colorimetry
3 Terms and definitions

For the purposes of this part of ISO 13000, the terms and definitions given in ISO 472 and ISO 13000-1 apply.

4 Sampling

Details of procedures for sampling semi-finished products depend to a large extent on the physical shape of

the particular material. Whenever feasible, the materials shall be sampled. Sampling shall be statistically

adequate to satisfy the requirements of the test method concerned.
5 Preparation of test specimens

The specimens used for testing shall be taken directly from or shall be machined from the semi-finished

product without other treatment. Thus, conversion of a semi-finished product into a test specimen by any

moulding procedure is not permitted. Where applicable, ISO standards shall be followed for the preparation of

test specimens. In some instances, special procedures are required that are described either in the general

discussion or in the method.
6 Testing of semi-finished PTFE products
6.1 General

Properties required for specification purposes shall be determined in accordance with the International

Standards referenced in this part of ISO 13000 or the procedures given in this part of ISO 13000. For the

determination of density, tensile properties, hardness and electrical properties, condition the test specimens at

23 °C ± 2 °C for a period of at least 4 h prior to test. The other tests require no conditioning.

Annex A provides a list of other standards relating to testing semi-finished products of PTFE.

6.2 Linear dimensions

These shall be determined by the procedures provided in ISO 1923 for cellular plastics.

2 © ISO 2005 – All rights reserved
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SIST EN ISO 13000-2:2006
ISO 13000-2:2005(E)
6.3 Tensile properties
6.3.1 Tensile specimens
6.3.1.1 General

The appropriate type of test specimen shall be chosen from those given in 6.3.1.2 to 6.3.1.5. At least three

test specimens shall be prepared from the sample and three specimens shall be tested.

NOTE Test specimens prepared from moulded basic shapes, rods or tubes conforming to 6.3.1.2 are likely to give

results similar to those obtained with test specimens prepared from the same product but conforming to 6.3.1.3.

When testing extruded products, the test specimens shall be cut parallel to the axis of extrusion so that, as far

as possible, each test specimen represents a different section along the axis and a different area of the cross-

section. When testing skived tape, skived sheet or skived film, the test specimens shall be cut perpendicular

to the direction in which the pressure was applied when moulding the billet from which the product was skived.

If this direction is not known, two sets of test specimens shall be prepared and tested, the test specimens in

one set being cut at 90° to those in the other set and the mean result shall be calculated from the higher set of

values (indicating, typically, the direction perpendicular to the axis of applied pressure). This procedure

ensures a uniform way of reporting test results. The micro-tensile test specimen (see 6.3.1.3) is used most

commonly for PTFE products.
6.3.1.2 Turned dumb-bell test specimens

The test specimens shall be turned so that their dimensions are in the ratios given in Figure 1, and so that the

shape is as shown in Figure 1. The value of the larger diameter (D) shall be 7 mm ± 0,5 mm, 10 mm ± 0,5 mm

or 20 mm ± 0,5 mm.
Ratios of dimensions of turned dumb-bell s
...

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