ISO 974
Plastics -- Determination of the brittleness temperature by impact


ISO 974 establishes the procedure for measuring hardness in elastomeric materials using an indentation method. Applicable to natural and synthetic rubbers as well as vulcanized elastomer products, this standard evaluates surface rigidity by measuring the penetration depth of a standardized indenter under controlled load and duration conditions. The test provides critical data for assessing vulcanization quality and material stiffness, making it an essential tool for quality control and mechanical characterization of elastomers in industrial applications.


ISO 974 standard webpage
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