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室外气候老化对管道涂层的影响的标准试验方法  
 【英文标准名称】  Standard Test Method for Effects of Outdoor Weathering on Pipeline Coatings
 【原文标准名称】  室外气候老化对管道涂层的影响的标准试验方法
 【标准号】  ASTM G11-2004
 【标准状态】  Active
 【国别】  
 【发布日期】  2004
 【实施或试行日期】  
 【发布单位】  美国材料与试验协会(US-ASTM)
 【起草单位】  D01.48
 【标准类型】  (Test Method)
 【标准水平】  ()
 【中文主题词】  试验;涂漆;非金属;环境试验;涂料;覆层;材料;管道;风化
 【英文主题词】  coated pipe storage; outdoor weathering; pipeline coatings; weather resistance
 【摘要】  

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.

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.

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.

 【中国标准分类号】  A29
 【国际标准分类号】  87_040
 【页数】  3P.;A4
 【正文语种】  
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