Reference number
ISO 2440:2019
International Standard
ISO 2440:2019
Flexible and rigid cellular polymeric materials — Accelerated ageing tests
Edition 4
2019-10
Preview
ISO 2440:2019
77359
No disponible en español
Publicado (Edición 4, 2019)

ISO 2440:2019

ISO 2440:2019
77359
Idioma
Formato
CHF 42
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Resumen

This document specifies, for flexible and rigid cellular polymeric materials, laboratory procedures which are intended to imitate the effects of naturally occurring reactions such as oxidation or hydrolysis by humidity. The physical properties of interest are measured before and after the application of the specified treatments.

Test conditions are only given for open cellular latex, both open- and closed-cell polyurethane foams, and closed-cell polyolefin foams. Conditions for other materials will be added as required.

The effect of the ageing procedures on any of the physical properties of the material can be examined, but those normally tested are either the elongation and tensile properties, or the compression or indentation hardness properties.

These tests do not necessarily correlate either with service behaviour or with ageing by exposure to light.

If desired, the ageing conditions contained in this document can be applied to composite structures containing any of the above types of cellular material. This can be helpful in the investigation of possible interactions between cellular materials and other substrates. Composite constructions can be in the form of complete finished products or representative small specimens cut there-from.

Informaciones generales

  •  : Publicado
     : 2019-10
    : Norma Internacional para revisar [90.92]
  •  : 4
     : 5
  • ISO/TC 45/SC 4
    83.100 
  • RSS actualizaciones

Próxima versión en desarrollo

Draft
International Standard
ISO/DIS 2440
Flexible and rigid cellular polymeric materials — Accelerated ageing tests
Reference number
ISO/DIS 2440
Edition 1
Proyecto Norma internacional

ISO/DIS 2440

Flexible and rigid cellular polymeric materials — Accelerated ageing tests

ISO/DIS 2440

ISO/DIS 2440
86333
Idioma
Formato
CHF 63
Convertir Franco suizo (CHF) a tu moneda

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