How to Choose Accelerated Weathering Tester Temperature Points?

For Accelerated Weathering Tester equipment, it is particularly important to choose a suitable temperature when testing. Accurate temperature point testing according to industry testing standards is the basic requirement for material testing. Let's take a look at how to choose a suitable temperature point when using the high temperature air Accelerated Weathering Tester.

High temperature air Accelerated Weathering Tester is usually used for heat resistance test of insulating materials to evaluate and judge its suitability for storage and use in high temperature environment. After simulating air aging at elevated temperature and atmospheric pressure, the properties of the samples were measured and compared to the properties of unaged samples.

The effectiveness of using the high-temperature air Accelerated Weathering Tester to predict the life of rubber materials under actual conditions depends on whether the aging mechanism of the material at high temperatures is consistent with the actual temperature. Therefore, as an important test condition, the test temperature must be strictly controlled according to the test standard. When the selected temperature is too low, the test time will be too long, which will be uneconomical in terms of power consumption. When the selected temperature is too high, Although it will accelerate the aging speed and shorten the test time, the test results are not necessarily reliable. The general selection principle of test temperature is: the lower limit of temperature is about 20~40℃, and the upper limit of temperature is 20~40℃. The research shows that not only the choice of temperature point has a significant impact on the test results, but also the effect of reducing the low temperature point of the test is greater than that of reducing the high temperature point of the test. Therefore, it is necessary to conduct in-depth research on the high temperature air Accelerated Weathering Tester as to which temperature range should be selected for rubber and which temperature points should be selected for the aging test, and a higher aging temperature cannot be selected, so as not to affect the accuracy of the test results.

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2022-05-07 09:21