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使用荧光紫外线设备对非金属材料进行曝露的测试方法
本测试方法是使用荧光紫外灯和冷凝装置进行曝露测试的基本原则和操作程序，旨在再现材料曝露在阳光下(直接或透过窗玻璃)和曝露在湿气中(雨水或露水)发生的老化效果。 这种做法限制于获取测量和控制的条件和曝光程序的方法，不能指定*适合要测试的材料的曝光条件。
附:ASTM G154 -12英文版本(摘抄)
Significance and Use
5.1 The use of this apparatus is intended to induce property changes associated with the end use conditions, including the effects of the UV portion of sunlight, moisture, and heat. These exposures may include a means to introduce moisture to the test specimen. Exposures are not intended to simulate the deterioration caused by localized weather phenomena, such as atmospheric pollution, biological attack, and saltwater exposure. Alternatively, the exposure may simulate the effects of sunlight through window glass. Typically, these exposures would include moisture in the form of condensing humidity.
Note 2—Caution: Refer to Practice G151 for full cautionary guidance applicable to all laboratory weathering devices.
5.2 Variation in results may be expected when operating conditions are varied within the accepted limits of this practice. Therefore, no reference shall be made to results from the use of this practice unless accompanied by a report detailing the specific operating conditions in conformance with the Section 10.
5.2.1 It is recommended that a similar material of known performance (a control) be exposed simultaneously with the test specimen to provide a standard for comparative purposes. It is recommended that at least three replicates of each material evaluated be exposed in each test to allow for statistical evaluation of results.