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About This Item

 

Full Description

1.1''This test method describes standard procedures for measuring the groove and void depth in passenger car tires.

1.2''Any mechanical, optical, or electronic device capable of measuring groove (void) depth can be used, but only the contact methodology is described here. Noncontact methodology is beyond the scope of this test method.

1.3''The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4''This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5''This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 

Document History

  1. ASTM F421-15(2021)

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    Standard Test Method for Measuring Groove and Void Depth in Passenger Car Tires

    • Most Recent
  2. ASTM F421-15


    Standard Test Method for Measuring Groove and Void Depth in Passenger Car Tires

    • Historical Version
  3. ASTM F421-07(2013)e1


    Standard Test Method for Measuring Groove and Void Depth in Passenger Car Tires

    • Historical Version
  4. ASTM F421-07


    Standard Test Method for Measuring Groove and Void Depth in Passenger Car Tires

    • Historical Version
  5. ASTM F421-00


    Standard Test Method for Measuring Groove and Void Depth in Passenger Car Tires

    • Historical Version