EN ISO 306:2013
(Main)Plastics - Thermoplastic materials - Determination of Vicat softening temperature (VST) (ISO 306:2013)
Plastics - Thermoplastic materials - Determination of Vicat softening temperature (VST) (ISO 306:2013)
ISO 306:2013 specifies four methods for the determination of the Vicat softening temperature (VST) of thermoplastic materials:
method A50 using a force of 10 N and a heating rate of 50 K/h;
method B50 using a force of 50 N and a heating rate of 50 K/h;
method A120 using a force of 10 N and a heating rate of 120 K/h;
method B120 using a force of 50 N and a heating rate of 120 K/h.
The methods specified are applicable only to thermoplastics, for which they give a measure of the temperature at which the thermoplastics start to soften rapidly.
Kunststoffe - Thermoplaste - Bestimmung der Vicat-Erweichungstemperatur (VST) (ISO 306:2013)
Diese Internationale Norm legt vier Verfahren zur Bestimmung der Vicat-Erweichungstemperatur (VST) von Thermoplasten fest:
- Verfahren A50 mit einer Kraft von 10 N und einer Heizrate von 50 K/h;
- Verfahren B50 mit einer Kraft von 50 N und einer Heizrate von 50 K/h;
- Verfahren A120 mit einer Kraft von 10 N und einer Heizrate von 120 K/h;
- Verfahren B120 mit einer Kraft von 50 N und einer Heizrate von 120 K/h.
Die festgelegten Verfahren sind nur auf Thermoplaste anwendbar, für die sie eine Kennzahl der Temperatur liefern, bei der die Thermoplaste beginnen schnell zu erweichen.
Plastiques - Matières thermoplastiques - Détermination de la température de ramollissement Vicat (VST) (ISO 306:2013)
L'ISO 306:2013 spécifie quatre méthodes de détermination de la température de ramollissement Vicat (VST) des matières thermoplastiques:
méthode A50 utilisant une charge de 10 N et une vitesse d'échauffement de 50 K/h;
méthode B50 utilisant une charge de 50 N et une vitesse d'échauffement de 50 K/h;
méthode A120 utilisant une charge de 10 N et une vitesse d'échauffement de 120 K/h;
méthode B120 utilisant une charge de 50 N et une vitesse d'échauffement de 120 K/h.
Les méthodes spécifiées sont uniquement applicables aux thermoplastiques. Elles permettent de mesurer la température à laquelle le ramollissement de ces matières devient rapide.
Polimerni materiali - Plastomeri - Ugotavljanje temperature zmehčišča po Vicatu (VST) (ISO 306:2013)
Ta mednarodni standard določa štiri metode za ugotavljanje temperature zmehčišča polimernih materialov po Vicatu (VST): – metoda A50 z uporabo sile 10 N in hitrostjo segrevanja 50 °C/h, – metoda B50 z uporabo sile 50 N in hitrostjo segrevanja 50 °C/h, – metoda A120 z uporabo sile 10 N in hitrostjo segrevanja 120 °C/h, – metoda B120 z uporabo sile 50 N in hitrostjo segrevanja 120 °C/h. Opisane metode veljajo za polimerne materiale, za katere podajajo temperaturno meritev, pri kateri se plastomeri začnejo hitro mehčati.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-maj-2014
1DGRPHãþD
SIST EN ISO 306:2004
3ROLPHUQLPDWHULDOL3ODVWRPHUL8JRWDYOMDQMHWHPSHUDWXUH]PHKþLãþDSR9LFDWX
967 ,62
Plastics - Thermoplastic materials - Determination of Vicat softening temperature (VST)
(ISO 306:2013)
Kunststoffe - Thermoplaste - Bestimmung der Vicat-Erweichungstemperatur (VST) (ISO
306:2013)
Plastiques - Matières thermoplastiques - Détermination de la température de
ramollissement Vicat (VST) (ISO 306:2013)
Ta slovenski standard je istoveten z: EN ISO 306:2013
ICS:
83.080.20 Plastomeri Thermoplastic materials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN ISO 306
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2013
ICS 83.080.20 Supersedes EN ISO 306:2004
English Version
Plastics - Thermoplastic materials - Determination of Vicat
softening temperature (VST) (ISO 306:2013)
Plastiques - Matières thermoplastiques - Détermination de Kunststoffe - Thermoplaste - Bestimmung der Vicat-
la température de ramollissement Vicat (VST) (ISO Erweichungstemperatur (VST) (ISO 306:2013)
306:2013)
This European Standard was approved by CEN on 2 November 2013.
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 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 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, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
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© 2013 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 306:2013 E
worldwide for CEN national Members.
Contents Page
Foreword .3
Foreword
This document (EN ISO 306:2013) 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
text or by endorsement, at the latest by May 2014, and conflicting national standards shall be withdrawn at the
latest by May 2014.
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 306:2004.
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, 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
Endorsement notice
The text of ISO 306:2013 has been approved by CEN as EN ISO 306:2013 without any modification.
INTERNATIONAL ISO
STANDARD 306
Fifth edition
2013-11-15
Plastics — Thermoplastic materials
— Determination of Vicat softening
temperature (VST)
Plastiques — Matières thermoplastiques — Détermination de la
température de ramollissement Vicat (VST)
Reference number
ISO 306:2013(E)
©
ISO 2013
ISO 306:2013(E)
© ISO 2013
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
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ii © ISO 2013 – All rights reserved
ISO 306:2013(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Apparatus . 2
6 Test frame assembly calibration . 5
7 Test specimens. 6
8 Conditioning . 6
9 Procedure. 6
10 Precision . 7
11 Test report . 7
Annex A (informative) Comparison of VST results obtained with liquid-filled heating bath and
direct-contact heating unit . 9
Annex B (informative) Comparison of VST results obtained with liquid-filled heating bath and
fluidized bed .11
Annex C (informative) Repeatability and precision .13
Bibliography .16
ISO 306:2013(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.
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 drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2. 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 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/patents
Any trade 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 61, Plastics, Subcommittee SC 2, Mechanical properties.
This fifth edition cancels and replaces the fourth edition (ISO 306:2004), which has been technically
revised. The main changes are the following additions:
— new apparatus, namely heating equipment consisting of a fluidized bed;
— precision data based on round robin testing performed in 2009;
— comparison data for tests with liquid-filled and fluidized bed.
iv © ISO 2013 – All rights reserved
ISO 306:2013(E)
Introduction
This revision introduces heating equipment, consisting of a fluidized bed, as a new apparatus; this is as
an alternative to liquid-filled heating baths and direct-contact heating units. Fluidized beds can reach
higher temperatures than traditional liquid-filled heating baths; therefore, they represent a suitable
way to measure the Vicat softening temperature (VST) of thermoplastic materials having improved
thermo-mechanical properties.
It was also felt necessary to add
— precision data based on round robin testing performed in 2009, and
— comparison data for tests with liquid-filled and fluidized bed.
INTERNATIONAL STANDARD ISO 306:2013(E)
Plastics — Thermoplastic materials — Determination of
Vicat softening temperature (VST)
1 Scope
This International Standard specifies four methods for the determination of the Vicat softening
temperature (VST) of thermoplastic materials:
— method A50 using a force of 10 N and a heating rate of 50 K/h;
— method B50 using a force of 50 N and a heating rate of 50 K/h;
— method A120 using a force of 10 N and a heating rate of 120 K/h;
— method B120 using a force of 50 N and a heating rate of 120 K/h.
The methods specified are applicable only to thermoplastics, for which they give a measure of the
temperature at which the thermoplastics start to soften rapidly.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable to its application. 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 testing
ISO 293, Plastics — Compression moulding of test specimens of thermoplastic materials
ISO 294-1, Plastics — Injection moulding of test specimens of thermoplastic materials — Part 1: General
principles, and moulding of multipurpose and bar test specimens
ISO 294-2, Plastics — Injection moulding of test specimens of thermoplastic materials — Part 2: Small
tensile bars
ISO 294-3, Plastics — Injection moulding of test specimens of thermoplastic materials — Part 3: Small plates
ISO 472, Plastics — Vocabulary
ISO 2818, Plastics — Preparation of test specimens by machining
ISO 20753, Plastics — Test specimens
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 472 and the following apply.
3.1
penetration
distance over which the indenting tip has to penetrate into the specimen under test
Note 1 to entry: It is expressed in millimetres (mm).
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