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c.其他性能的评价最好是根据实验目的对尺寸变化、应力松弛、电阻、拉伸永久变形等由对应的测定方法进行评价。⒀屋外曝晒试验与人工光源曝晒试验的相关性所以“该材料1年的室外曝晒结果,对于明焰试验和氙弧灯试验是否几小时就可以”的课题,是进行人工光源曝晒试验的研究人员极为关心的。但是,共同对应所有材料即全部决定相关性比较困难。对于塑料、涂料做了很多有关相关性的报道,但对于橡胶却非常少[19]。这是因为各种材料的性能、室外曝晒条件、人工光源曝晒条件和评价项目等不同所致。因此,一般采用与已知性能的材料进行比较,参考类似材料的性能数据。或者和已知材料一起对试验材料同时
c. Evaluation of other properties It is best to evaluate dimensional changes, stress relaxation, electrical resistance, tensile permanent set, etc. according to the intended test method. ⒀ outdoor exposure test and artificial light exposure test so “the material 1 year outdoor exposure results, for the flame test and xenon arc lamp test whether a few hours can ” subject is artificial light exposure test Researchers are extremely concerned. However, it is more difficult to determine the relevance of all the materials in common. There have been many reports on the correlation between plastics and coatings, but very little for rubber [19]. This is due to a variety of material properties, outdoor exposure conditions, artificial light exposure conditions and evaluation items due to different. Therefore, it is common to compare materials of known properties with reference to the performance data of similar materials. Or with known materials to test the material simultaneously