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Homepage>BS EN ISO 22088-3:2006 Plastics. Determination of resistance to environmental stress cracking (ESC) Bent strip method
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sklademVydáno: 2006-09-29
BS EN ISO 22088-3:2006 Plastics. Determination of resistance to environmental stress cracking (ESC) Bent strip method

BS EN ISO 22088-3:2006

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

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Označení normy:BS EN ISO 22088-3:2006
Počet stran:20
Vydáno:2006-09-29
ISBN:0 580 48768 7
Status:Standard
DESCRIPTION

BS EN ISO 22088-3:2006


This standard BS EN ISO 22088-3:2006 Plastics. Determination of resistance to environmental stress cracking (ESC) is classified in these ICS categories:
  • 83.080.01 Plastics in general

This part of ISO 22088 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 ISO 22088-5. For a constant-load test, refer to ISO 22088-2.