ASTM G113-22 非金属材料自然和人工风化试验的标准术语.pdf

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:G113-22 INTERNATIONAL Standard Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials This standard is issued under the fixed designation G113:the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision.A number in parentheses indicates the year of last reapproval.A superseript epsilon (8)indicates an editorial change since the last revision or reapproval. 1.Scope Covered Exposure Apparatus with Air Circulation 1.1 This terminology standard covers terms that relate to the 2.2 AATCC Method:4 durability testing of Nonmetallic Materials using natural and 16 Colorfastness to Light artificial weathering exposure techniques. 2.3 ANSI Standards:s 1.2 It is the intent of this terminology standard to include ANSI/NCSL Z540-2-1997 American National Standard for those weathering terms in wide use in ASTM for which Expressing Uncertainty-U.S.Guide to the Expression of standard definitions appear desirable. Uncertainty in Measurement 1.3 This international standard was developed in accor- ISO 9370 Plastics -Instrumental Determination of Radiant dance w...