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Standard Test Method for Effects of Outdoor Weathering on Pipeline Coatings
Automaticky přeložený název:
Standardní zkušební metoda pro Vliv Outdoor zvětrávání na potrubí nátěry
NORMA vydána dne 1.11.2012
Označení normy: ASTM G11-04(2012)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.11.2012
Kód zboží: NS-57260
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
coated pipe storage, outdoor weathering, pipeline coatings, weather resistance, ICS Number Code 87.040 (Paints and varnishes)
Significance and Use | ||||||||||||
4.1 Since coated pipe may be stored outdoors for long periods before burial, weathering tests of the type described in this test method are needed to evaluate the stability of these coatings stored outdoors. The results obtained should be treated only as indicating the general effect of weathering. Exposure conditions vary greatly from year to year, from one part of a year to another, and from locality to locality. The results of short-term exposure tests in the north are more meaningful if exposure is started in the summer followed by a winter season. In southern areas where climatic conditions are more uniform throughout the year, the time of year when short-term exposure is started is less critical. In all localities, the longer the exposure period, the more reliable are the results obtained. |
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1. Scope | ||||||||||||
1.1 This test method is intended to define conditions for the exposure of coated pipe to weather. 1.2 This test method specifies qualifications for the samples, procedure to be followed in exposure to weather, and procedure for evaluating effects of exposure including visual examination and other tests. 1.3 The values stated in SI units to three significant decimals 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. |
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2. Referenced Documents | ||||||||||||
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