ISO 7743
Rubber, vulcanized or thermoplastic -- Determination of compression stress-strain properties


ISO 7743 specifies the test method for measuring hardness of elastomers and rubber materials using the IRHD (International Rubber Hardness Degrees) indentation technique. This international standard applies to elastomeric materials of various compositions and establishes the procedure for assessing hardness through controlled penetration of a standardized indenter into the test specimen. The method is fundamental for quality control and mechanical characterization of finished products, ensuring consistent and comparable results across different testing laboratories worldwide.


ISO 7743 standard webpage
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