ISO/TC 61 Kunststoffe,
ISO/TC 61 Plastics,
ISO/TC 61 Plastiques,
ISO Internationale Organisation für Normung,
ISO International Organization for Standardization,
ISO Organisation Internationale de Normalisation
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Medientyp:
Norm
Titel:
ISO 7850
:
Cellular plastics, rigid; Determination of compressive creep
Weitere Titel:
Harte Schaumkunststoffe; Bestimmung des Kriechverhaltens unter Druckbelastung
Plastiques alvéolaires rigides; Détermination du fluage en compression
Beschreibung:
Specifies a method for the determination of compressive creep of rigid cellular plastics under specified conditions of load, temperature, relative humidity and time. Test specimes in form or rectangular parallelepipeds are placed between two flat plates and the specified load is applied as follows: procedure A) at standard conditions and procedure B) at agreed conditions of temperture and time. The difference in compressive deformation of the loaded specimen at standard atmospheric conditions and at elevated temperature after specified time shall be calculated.