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Standard Test Method for Outdoor Evaluation of Tire Sidewall Component Cracking Resistance (Includes all amendments And changes 12/31/2010).
Automaticky přeložený název:
Standardní zkušební metoda pro venkovní hodnocení bočních částech pneumatik Component odolnost proti korozi
NORMA vydána dne 1.12.2004
Označení normy: ASTM F724-94a(2004)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.12.2004
Kód zboží: NS-56259
Počet stran: 7
Přibližná hmotnost: 21 g (0.05 liber)
Země: Americká technická norma
Kategorie: 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 | ||||||||||
Test Methods D 518, D 1149, D 1171, and D 3395 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 D 1171, 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 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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