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ISO 2039-2:1987

Plastics — Determination of hardness — Part 2: Rockwell hardness

Standard Details

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
Standard Type: Main
Document No: ISO 2039-2:1987
Document Year: 1987
Pages: 5
Edition: 2

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ISO 2039-2:1987
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