ASTM D3346
Standard Test Methods for Rubber Property—Processability of Emulsion SBR (Styrene-Butadiene Rubber) With the Mooney Viscometer (Delta Mooney)


ASTM D3346 establishes a test methodology for evaluating the creep resistance of elastomeric and plastic materials under sustained static loading at elevated temperatures. This standard measures permanent deformation over time, providing critical data for assessing the long-term durability and performance of seals, gaskets, o-rings, and rubber components subjected to combined thermal and mechanical stress. The test applies a constant load to standardized specimens at fixed temperature conditions, with percentage elongation recorded at predetermined time intervals to quantify material behavior under prolonged service conditions.


ASTM D3346 standard webpage
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