SR EN ISO 899-2:2004

Plastics - Determination of creep behaviour - Part 2: Flexural creep by three-point loading

ISO 899-2:2003 specifies a method for determining the flexural creep of plastics in the form of standard test specimens under specified conditions such as those of pretreatment, temperature and humidity. It applies only to a simple freely supported beam loaded at mid-span (three-point-loading test). The method is suitable for use with rigid and semi-rigid non-reinforced, filled and fibre-reinforced plastics materials (see ISO 472 for definitions) in the form of dumb-bell-shaped test specimens moulded directly or machined from sheets or moulded articles. NOTE The method may be unsuitable for certain fibre-reinforced materials due to differences in fibre orientation. The method is intended to provide data for engineering-design and research and development purposes. Data for engineering-design purposes requires the use of extensometers to measure the gauge length of the specimen. Data for research or quality-control purposes may use the change in distance between the grips (nominal extension). Flexural creep may vary significantly with differences in specimen preparation and dim

32.55

Status : Withdrawn
Approval date : 6/30/2004
Publish date : 7/1/2004
Withdrawal date : 4/30/2025
Number of pages : 22
ICS : 83.080.01 Plastics in general
Technical Committee : 108 - Plastics, codification and analysis methods

Relations with other standards: