ISO 1209-1:2007
(Main)Rigid cellular plastics — Determination of flexural properties — Part 1: Basic bending test
Rigid cellular plastics — Determination of flexural properties — Part 1: Basic bending test
ISO 1209-1:2007 specifies a simple method for assessing the behaviour of a bar of rigid cellular plastic under the action of three-point bending. It may be used to determine either the load for a specified deformation or the load at break. The version of the method specified uses small test specimens and does not produce pure bending. Hence it does not permit the calculation of the flexural strength or the apparent flexural modulus (modulus of elasticity). The user is referred to ISO 1209-2 for the determination of these parameters. The method is not applicable to cellular plastics in which significant crushing is observed. Numerical values should be compared only when determined on materials of similar physical properties and dimensions. The method is limited to materials of 20 mm thickness or greater.
Plastiques alvéolaires rigides — Détermination des propriétés de flexion — Partie 1: Essai simple de flexion
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Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 1209-1
Third edition
2007-05-01
Rigid cellular plastics — Determination of
flexural properties —
Part 1:
Basic bending test
Plastiques alvéolaires rigides — Détermination des propriétés de
flexion —
Partie 1: Essai simple de flexion
Reference number
ISO 1209-1:2007(E)
©
ISO 2007
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ISO 1209-1:2007(E)
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ISO 1209-1:2007(E)
Contents Page
1 Scope . 1
2 Normative references . 1
3 Principle . 1
4 Apparatus . 2
5 Test specimens . 3
6 Procedure . 3
7 Expression of results . 4
8 Precision . 4
9 Test report . 4
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ISO 1209-1:2007(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 1209-1 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 10, Cellular plastics.
This third edition cancels and replaces the second edition (ISO 1209-1:2004), which has been technically
revised.
ISO 1209 consists of the following parts, under the general title Rigid cellular plastics — Determination of
flexural properties:
— Part 1: Basic bending test
— Part 2: Determination of flexural strength and apparent flexural modulus of elasticity
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INTERNATIONAL STANDARD ISO 1209-1:2007(E)
Rigid cellular plastics — Determination of flexural properties —
Part 1:
Basic bending test
1Scope
This part of ISO 1209 specifies a simple method for assessing the behaviour of a bar of rigid cellular plastic
under the action of three-point bending.
It may be used to determine
— either the load for a specified deformation;
— or the load at break.
The version of the method specified in this part of ISO 1209 uses small test specimens and does not produce
pure bending. Hence it does not permit the calculation of the flexural strength or the apparent flexural modulus
(modulus of elasticity). The user is referred to ISO 1209-2 for the determination of these parameters.
The method is not applicable to cellular plastics in which significant crushing is observed. Numerical values
should be compared only when determined on materials of similar physical properties and dimensions.
The method is limited
...
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