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
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Status: PublishedPublication date: 1987-07Stage: International Standard to be revised [90.92]
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Edition: 2Number of pages: 5
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Technical Committee :ISO/TC 61/SC 2ICS :83.080.01
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Life cycle
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Previously
WithdrawnISO 2039-2:1981
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Now
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Will be replaced by
Under developmentISO/AWI 2039-2