Norm

NEN-EN-ISO 22088-1:2004 Ontw. en

Kunststoffen - Bepaling van weerstand tegen omgevingsspanningcorrosie (ESC) - Deel 1: Algemene leidraad

  • Deze norm is ingetrokken sinds 18-09-2006

25,62

Over deze norm

Status Ingetrokken
Aantal pagina's 12
Commissie Kunststoffen
Gepubliceerd op 01-10-2004
Taal Engels
This part of ISO 22088 provides information and general guidance relevant to the selection of the testing method for ESC. Part 2 describes a constant tensile stress method in which a test specimen is subjected to a constant tensile force, while immersed in a specified environment at the temperature selected for testing. The time and/or stress at which the specimen breaks are recorded. Part 3 describes a bent strip method. In this test, strips of a plastic are positioned in a fixed flexural strain and exposed to a stress cracking agent for a predetermined period. Part 4 describes a ball or pin impression method. In this test, a hole of specified diameter is drilled in the specimen. An oversized steel ball or pin is inserted into the hole and the test specimen is brought into contact with a test medium. Part 5 describes a constant tensile deformation method. In this test, a specimen is fixed at a constant deformation while immersed in a specified test medium at a temperature selected for testing. The critical stress is obtained. Part 6 describes the procedure for assessing the environment stress cracking susceptibility of polymeric materials in test mediums using the slow strain rate technique. These methods are applicable to thermoplastic materials only.

Details

ICS-code 83.080.01
Nederlandse titel Kunststoffen - Bepaling van weerstand tegen omgevingsspanningcorrosie (ESC) - Deel 1: Algemene leidraad
Engelse titel Plastics - Determination of resistance to environmental stress cracking (ESC) - Part 1: General guidance
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