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发布时间:2019-12-20 09:44    点击数:

沥青材料(荧光紫外线、喷淋及冷凝法)加速老化测

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本页面标准信息均来源于网络收集,或由参与标准制定的供应商提供,只作为参考使用,为确保测试结果的准确性、节省您的时间,如需ASTM D4799标准详细信息或ASTM D4799具体测试方法,欢迎与我们技术人员联系或给我们留言,我们将为您相关的技术支持。
 
ASTM D4799标准介绍
ASTM D4799-00简介
沥青材料(荧光紫外线、喷淋及冷凝法)加速老化测试条件和测试程序的标准测试方法:
本测试方法描述了根据G151和G154沥青屋面和防水材料(最低软化点约95°) 的做法进行荧光紫外线和冷凝曝露测试的测试条件和程序。
 
ASTM D4799-00英文简介
1. Scope
1.1 This test method covers the test conditions and procedures that are applicable when Practice G53 is employed for the exposure of bituminous roofing and waterproofing materials having a minimum softening point of approximately 200°F (95°C) as determined by Test Method D36.
1.2 The values stated in inch-pound units are to be regarded as the standard.
1.3 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.
2. Referenced Documents
ASTM Standards
D36 Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)
D1669 Practice for Preparation of Test Panels for Accelerated and Outdoor Weathering of Bituminous Coatings
D1670 Test Method for Failure End Point in Accelerated and Outdoor Weathering of Bituminous Materials
G113 Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials
G141 Guide for Addressing Variability in Exposure Testing of Nonmetallic Materials
G147 Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests
G151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
G154 Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials
 
▼ASTM D4799第三方检测机构
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