International Standard
ISO 2039-2:1987
Plastics — Determination of hardness — Part 2: Rockwell hardness
Reference number
ISO 2039-2:1987
Edition 2
1987-07
© ISO 2024
International Standard
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Published (Edition 2, 1987)
This standard was last reviewed and confirmed in 2020. Therefore this version remains current.

ISO 2039-2:1987

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CHF 42
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 1987-07
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 5
  • Technical Committee :
    ISO/TC 61/SC 2
    ICS :
    83.080.01 
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