Rigid cellular plastics — Determination of flexural properties — Part 2: Determination of flexural strength and apparent flexural modulus of elasticity

ISO 1209-2:2007 specifies a method for determining the flexural strength and the apparent flexural modulus of elasticity of rigid cellular plastics.

Plastiques alvéolaires rigides — Détermination des propriétés de flexion — Partie 2: Détermination de la résistance à la flexion et du module apparent d'élasticité en flexion

General Information

Status
Published
Publication Date
03-May-2007
Current Stage
9093 - International Standard confirmed
Start Date
11-Oct-2010
Completion Date
24-Sep-2021
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ISO 1209-2:2007 - Rigid cellular plastics -- Determination of flexural properties
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INTERNATIONAL ISO
STANDARD 1209-2
Third edition
2007-05-01
Rigid cellular plastics — Determination of
flexural properties —
Part 2:
Determination of flexural strength and
apparent flexural modulus of elasticity
Plastiques alvéolaires rigides — Détermination des propriétés de
flexion —
Partie 2: Détermination de la résistance à la flexion et du module
apparent d'élasticité en flexion
Reference number
ISO 1209-2:2007(E)
ISO 2007
---------------------- Page: 1 ----------------------
ISO 1209-2:2007(E)
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ii ISO 2007 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 1209-2:2007(E)
Contents Page

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

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

3 Principle ................................................................................................................................................ 1

4 Apparatus ............................................................................................................................................. 1

5 Test specimens .................................................................................................................................... 2

6 Conditioning and test conditions ....................................................................................................... 3

7 Procedure ............................................................................................................................................. 3

8 Expression of results .......................................................................................................................... 4

9 Precision ............................................................................................................................................... 5

10 Test report ............................................................................................................................................ 5

ISO 2007 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO 1209-2:2007(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 1209-2 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 10, Cellular plastics.

This third edition cancels and replaces the second edition (ISO 1209-2:2004), 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

iv ISO 2007 – All rights reserved
---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO 1209-2:2007(E)
Rigid cellular plastics — Determination of flexural properties —
Part 2:
Determination of flexural strength and apparent flexural
modulus of elasticity
1Scope

This part of ISO 1209 specifies a method for determining the flexural strength and the apparent flexural

modulus of elasticity of rigid cellular plastics.
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 1923, Cellular plastics and rubbers — Determination of linear dimensions
3 Principle

A load is applied at a uniform rate by means of a loading edge to a test specimen supported at two positions.

The load is applied perpendicularly to the specimen at a position midway between the supporting positions

(see Figure 1). The load/deformation curve is recorded. From the curve, the flexural strength and the apparent

flexural modulus of elasticity are calculated.
4 Apparatus

4.1 Test machine, consisting of a universal mechanical-testing machine capable of operating at a constant

rate of movement of the moveable head.

The range of the test machine shall be such that the applied load can be measured with an accuracy of ±1%.

The machine shall include a device for simultaneous recording of force and the corresponding deformation.

4.2 Test spe
...

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