ASTM D573-2019 "Standard for Test Methods for Hot Air Aging of Rubber" is designed to evaluate the aging performance of vulcanized rubber under high temperature conditions. This standard evaluates changes in the physical properties of rubber materials during oxidation and heat aging by simulating accelerated aging conditions, such as tensile strength, fracture elongation, and Hardness. Test results can be used to compare the aging performance of different rubber compounds in the laboratory, but there may be differences from the performance performance in the actual use environment. The standard emphasizes the use of SI units to represent test results and provides reference values. Users are required to establish appropriate safety, health, and environment practices before use and confirm the applicability of regulatory restrictions.