International Standard
ISO 2039-2:1987
Plastics — Determination of hardness — Part 2: Rockwell hardness
Reference number
ISO 2039-2:1987
Edición 2
1987-07
© ISO 2024
International Standard
Vista previa
No disponible en español
Publicado (Edición 2, 1987)
Esta norma se revisó y confirmó por última vez en 2020. Por lo tanto, esta versión es la actual.

ISO 2039-2:1987

Formato
Idioma
CHF 42
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Resumen

Specifications of a method for the determination of the indentation hardness of plastics by means of the Rockwell hardness tester using the Rockwell M, L and R hardness scales. The Rockwell hardness number is derived from the net increase in depth of impression as the load on an indentor is increased from a fixed minor load to a major load and then returned to the same minor load. For materials having high creep and recovery, the time-factors involved in application of the major and minor loads have a considerable effect on the results of the measurements.

Informaciones generales

  • Estado
     : Publicado
    Fecha de publicación
     : 1987-07
    Etapa
    : Norma Internacional confirmada [90.93]
  • Edición
     : 2
    Número de páginas
     : 5
  • Comité Técnico :
    ISO/TC 61/SC 2
    ICS :
    83.080.01 
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