GOST 7912-74
Method of test for temperature limit of brittleness for vulcanized


GOST 7912-74 establishes test methods for measuring the resilience (rebound elasticity) of elastomers and rubber materials using the Schöpper pendulum apparatus. Applicable to natural and synthetic rubbers as well as elastomeric compounds, this standard defines standardized procedures to assess elastic recovery properties following deformation. The method employs a calibrated pendulum that oscillates across a material specimen, with rebound height recorded as a percentage relative to the initial drop. This fundamental standard serves quality control and characterization of elastic properties in industrial elastomer and rubber manufacturing processes.


GOST 7912-74 standard webpage
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