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  • ASTM
    F870-23 Standard Practice for Tread Footprints of Passenger Car Tires Groove Area Fraction and Dimensional Measurements
    Edition: 2023
    $144.00
    Unlimited Users per year

Description of ASTM-F870 2023

ASTM F870-23

Active Standard: Standard Practice for Tread Footprints of Passenger Car Tires Groove Area Fraction and Dimensional Measurements




ASTM F870

Scope

1.1 This practice covers a technique for measuring the groove or void area of a tire tread pattern. The void area is measured on the inked impression of a tire tread statically loaded against heavyweight paper on a load platen.

1.2 This procedure is intended to serve as a reference practice for measuring groove or tread pattern void areas in a tire-footprint impression. This technique is usable by any laboratory without special equipment although more sophisticated procedures are also commonly employed, such as optical or video camera processes.

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.


Keywords

footprint; groove area fraction; tire footprint impression;


ICS Code

ICS Number Code 83.160.10 (Road vehicle tyres)


DOI: 10.1520/F0870-23



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