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This standard practice describes the basic principles and procedures for operating a fluorescent UV lamp and water apparatus to expose nonmetallic materials to simulated weathering conditions. It is intended to be used in conjunction with other standards that define specific exposure conditions and evaluate material properties.
27 sty 2023 · Significance and Use. 5.1 The use of this apparatus is intended to induce property changes consistent with the end use conditions, including the effects of the UV portion of sunlight, moisture, and heat. Typically, these exposures would include moisture in the form of condensing humidity.
12 sty 2022 · 本文档是一份关于非金属材料暴露用荧光紫外线灯装置的标准做法，适用于再现材料在实际使用中暴露于阳光和水分的风化效应。文档包含了标准的范围、参考文件、术语和符号、装置、操作、控制和评估等内容。
1 mar 2016 · This standard practice describes the basic principles and operating procedures for using fluorescent UV light and water apparatus to reproduce the weathering effects of sunlight and moisture on nonmetallic materials. It is intended to be used in conjunction with other methods or specifications that define specific exposure conditions and evaluate material properties.
Designation: G154 − 16 Standard Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Nonmetallic Materials1 This standard is issued under the fixed designation G154; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.
ASTM G154 is an accelerated UV ageing test using Specific Fluorescent lights to simulate the impact of sun exposure on paints, coatings and polymers.
1.4 Specimen preparation and evaluation of the results are covered in ASTM methods or specifications for specific materials. General guidance is given in Practice G151 and ISO 4892-1.
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