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沥青材料(氙弧法)加速老化测试条件和测试程序的标准测试方法：
本测试方法规定了根据g151和g155沥青屋面和防水材料的做法进行氙灯曝露测试的测试条件和程序。
*小软化点大约95℃(200°f)的沥青屋面材料是通过测试方法d36确定。(另请参阅术语摹113。)
kingjo氙灯试验箱astm d4798-00测试方法
astm d4798英文简介
1. scope
1.1 this test method covers test conditions and procedures for xenon-arc exposures according to practice g151 and g155 for bituminous roofing and waterproofing materials having a minimum softening point of approximately 95°c (200°f) as determined by test method d36.(also see terminology g113.)
1.2 the values stated in si units are to be regarded as the standard. the values given in parentheses are for information only.
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
g155 practice for operating xenon arc light apparatus for exposure of non-metallic materials
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