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ISO 2039-2:1987-ed.2.0
Plastics — Determination of hardness — Part 2: Rockwell hardness
Automatically translated name:
Plastics -- Determination of hardness -- Part 2: Rockwell hardness
STANDARD published on 2.7.1987
The information about the standard:
Designation standards: ISO 2039-2:1987-ed.2.0
Publication date standards: 2.7.1987
SKU: NS-428657
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 2039-2:1987-ed.2.0 :
Description / 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.
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