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STANDARD 20753
Third edition
2023-11
Plastics — Test specimens
Plastiques — Éprouvettes
Reference number
ISO 20753:2023(E)
© ISO 2023
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ISO 20753:2023(E)
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© ISO 2023
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Published in Switzerland
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© ISO 2023 – All rights reserved
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ISO 20753:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 2
5 Preparation of test specimens . 2
5.1 General . 2
5.2 Injection moulding of test specimens . 2
5.3 Compression moulding of test specimens . 3
5.4 Preparation of test specimens by machining . 3
6 Types of test specimen and their dimensions . 3
6.1 Types of test specimen . 3
6.2 Tensile test specimens with parallel-sided central section . 5
6.2.1 Tensile test specimens type A1 and type A2 . 5
6.2.2 Reduced-scale test specimens . 6
6.3 Bar test specimens (type B) . 7
6.4 Small tensile specimens (type C) . 7
6.5 Square plate specimens (type D) . 9
6.6 Rectangular plate specimens (type F) . 10
7 Report on preparation of test specimens .10
Annex A (inf
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