The JASO M611-1992 standard provides a test method for internal rust of automotive mufflers, which is used to evaluate the corrosion resistance of mufflers during use. The standard describes test equipment, test procedures and evaluation criteria to ensure that mufflers can resist internal corrosion during long-term use. This standard is important for improving the durability and performance of automotive mufflers. It is recommended to check if there are updated versions to obtain the latest test requirements.
| Status | Active |
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| CCS | ICS |
| Release Date | Implementation Date |