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BS EN ISO 22088-3:2006

BS EN ISO 22088-3:2006

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Current

The latest, up-to-date edition.

Plastics. Determination of resistance to environmental stress cracking (ESC) Bent strip method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-09-2006

Publisher

British Standards Institution

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Hardcopy - English
PDF - English
01
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test specimens
   6.1 Form and dimensions
   6.2 Preparation
   6.3 Number
7 Conditioning and test conditions
   7.1 Conditioning
   7.2 Test temperature
   7.3 Test medium
8 Procedure
   8.1 Precautions
   8.2 Mounting the test specimens
   8.3 Contact with the test environment
   8.4 Storage in contact with the test environment
   8.5 Determination of the indicative property
9 Expression of results
   9.1 Calculation
   9.2 Graphical evaluation
10 Precision
11 Test report
Bibliography

Specifies a method for the determination of the environmental stress cracking (ESC) resistance of thermoplastics when they are subjected to a fixed flexural strain in the presence of chemical agents.

Committee
PRI/21
DevelopmentNote
Supersedes BS EN ISO 4599 and 04/30078976 DC (10/2006)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Current
Supersedes

This part of ISO22088 specifies a method for the determination of the environmental stress cracking (ESC) resistance of thermoplastics when they are subjected to a fixed flexural strain in the presence of chemical agents.

ESC is indicated by the change of a suitably chosen indicative property of specimens that have been strained for a defined time in the environment. The method of test is suitable for determining the resistance of sheets and of flat test specimens, especially the sensitivity of localized surface regions of specimens, to ESC.

The bent strip method is suitable for the determination of ESC caused by gases and liquids as well as solids containing migrating substances (e.g. polymeric adhesives and materials containing plasticizers) in contact with a specific polymer.

Preferably, this method is used to determine the ESC resistance of rigid plastics that exhibit only moderate stress relaxation during the time of the test.

This is essentially a ranking test and is not intended to provide data to be used for design or performance prediction.

NOTE For a constant-strain test, refer to ISO22088-5. For a constant-load test, refer to ISO22088-2.

BS DD8455(2007) : 2007 MATERIALS FOR GASKETS AND WEATHERSTRIPPING FOR WINDOWS, DOORS, CONSERVATORIES AND CURTAIN WALLING - REQUIREMENTS AND TEST METHODS

ISO 22088-1:2006 Plastics Determination of resistance to environmental stress cracking (ESC) Part 1: General guidance
ISO 22088-2:2006 Plastics Determination of resistance to environmental stress cracking (ESC) Part 2: Constant tensile load method
ISO 22088-5:2006 Plastics Determination of resistance to environmental stress cracking (ESC) Part 5: Constant tensile deformation method
ISO 527-2:2012 Plastics — Determination of tensile properties — Part 2: Test conditions for moulding and extrusion plastics
ISO 179-1:2010 Plastics — Determination of Charpy impact properties — Part 1: Non-instrumented impact test
ISO 2818:1994 Plastics — Preparation of test specimens by machining
ISO 178:2010 Plastics Determination of flexural properties

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