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Last Updated: Feb 07, 2022
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ASTM F2663-21a
Standard Test Method for Bead Unseating of Tubeless Passenger and Light Truck Tires
Standard Test Method for Bead Unseating of Tubeless Passenger and Light Truck Tires
F2663-21A
ASTM|F2663-21A|en-US
Standard Test Method for Bead Unseating of Tubeless Passenger and Light Truck Tires
Standard
F2663 Standard Test Method for Bead Unseating of Tubeless Passenger and Light Truck Tires>
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Significance and Use
5.1 This test method establishes a standard procedure for the test and provides data that can be related to the force required to unseat the bead of a tire inflated with a specified pressure from the rim. This test method does not establish performance limits or tolerances for tire specifications.
Scope
1.1 This test method covers the static non-rolling laboratory method of determination of a tubeless tire’s resistance to bead unseating. The test requires the use of a standardized fixture and load machine. The test is conducted using a defined test pressure and method of determining the resultant force to unseat the tire from the rim.
1.2 This test method is applicable for all passenger, light truck, and temporary spare tires.
1.3 The values stated in SI units are to be regarded as 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.