ASTM-D4799 › Historical Revision Information
Standard Practice for Accelerated Weathering Test Conditions and Procedures for Bituminous Materials (Fluorescent UV, Water Spray, and Condensation Method)
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Scope
1.1 This practice describes test conditions and procedures for fluorescent UV and condensation exposures conducted according to Practices G 151 and G 154 for bituminous roofing and waterproofing materials that have a minimum softening point of approximately 95°C (200°F) as determined by Test Method D 36. (Also see Terminology G 113.)
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.
Significance and Use
This weathering apparatus is used for comparing the weathering characteristics of bituminous materials against a reference material in which the outdoor weathering characteristics are known. It is not possible to establish a precise correlation between accelerated and natural weathering because of geographical climatic variations, local weather variation from normal, and local pollutants. Guide G 141
Keywords
accelerated weathering; bituminous materials; degradation; exposure; fluorescent UV and condensation; light exposure; roofing; ultraviolet; waterproofing; ICS Number Code 75.140 (Waxes, bituminous materials and other petroleum products); 91.100.50 (Binders. Sealing materials); 93.080.20 (Road construction materials)
To find similar documents by ASTM Volume:
04.04 (Roofing and Waterproofing)
To find similar documents by classification:
91.100.50 (Binders. Sealing materials Including geomembranes, asphalts for buildings, etc.)
93.080.20 (Road construction materials Including asphalts, road pavements, etc.)
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Document Number
ASTM-D4799-03
Revision Level
2003 EDITION
Status
Superseded
Modification Type
Revision with Title Change
Publication Date
Jan. 10, 2003
Document Type
Practice
Page Count
2 pages
Committee Number
D08.02