ASTM-F870 Standard Practice for Tread Footprints of Passenger Car Tires Groove Area Fraction and Dimensional Measurements

ASTM-F870 - 2023 EDITION - CURRENT
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Standard Practice for Tread Footprints of Passenger Car Tires Groove Area Fraction and Dimensional Measurements
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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 and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

footprint; groove area fraction; tire footprint impression; ICS Number Code 83.160.10 (Road vehicle tyres)

To find similar documents by ASTM Volume:

09.02 (Rubber Products, Industrial - Specifications and Related Test Methods; Gaskets; Tires)

To find similar documents by classification:

83.160.10 (Road vehicle tyres Including cycle tyres, and tyre retreading and repair processes)

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Document Number

ASTM-F0870-23

Revision Level

2023 EDITION

Status

Current

Publication Date

June 16, 2023

Document Type

Practice

Page Count

5 pages

Committee Number

F09.30