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Standard Test Method for Outdoor Evaluation of Tire Sidewall Component Cracking Resistance (Includes all amendments And changes 6/1/2023).
Automaticky preložený názov:
Štandardná testovacia metóda pre vonkajšie hodnotenie bočných častiach pneumatík Component krakovania odpor
NORMA vydaná dňa 1.1.2016
Označenie normy: ASTM F724-94a(2016)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.1.2016
Kód tovaru: NS-631051
Počet strán: 7
Približná hmotnosť: 21 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
component, cracking, evaluation, outdoor, resistance, road wheel, sidewall, tire,, ICS Number Code 83.160.10 (Road vehicle tyres)
Significance and Use | ||||||||||
4.1 Test Methods D518, D1149, D1171, and D3395 can be used to evaluate different aspects of fatigue and weather cracking resistance of sidewall component materials in the form of test specimens. The present method applies to complete tires that are subjected to actual weather exposure conditions. The present method is satisfactory for research and development purposes but is not applicable to regulatory statutes or purchase specifications until standard classifications of state of cracking, similar to those in Test Method D1171, can be established. |
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1. Scope | ||||||||||
1.1 This test method covers procedures for evaluating passenger car tires for sidewall component integrity and cracking resistance, using an outdoor roadwheel. 1.2 This test method evaluates the resistance of tire sidewalls to dynamic weathering, atmospheric ozone cracking, fatigue cracking, or openings of splices within, or of junctures between, sidewall components and cracking at molded sidewall elements. 1.3 This test method is useful for evaluating tire black sidewalls, white, or other colored, sidewalls, and coverstrips. 1.4 This test method is limited to comparative performance testing between a “control” sidewall component or assembly and one or more experimental alternatives that are built onto the same tire (“multisection”) or onto tires that are identical in all respects other than the sidewall variation. 1.5 This test method is not applicable to evaluation of sidewall resistance to abrasion, as may be experienced in severe cornering or curb scuffing. 1.6 The values stated in SI units are to be regarded as the standard. 1.7 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. For specific precaution statements, see 5.2. |
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2. Referenced Documents | ||||||||||
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