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nature : also known as artificial airway (days) HOU changes. Plastics, rubber, paint and other material or fiber samples and strengthen the simulation of atmospheric conditions (such as sunlight, heat, precipitation and temperature), the aging lead to material changes in performance and in a short period similar to the results of the atmospheric aging rapidly aging test methods. Equipped with a special test in the light of the sample rotation planes, thermostats transfer and artificial wetlands such as the artificial precipitation climate for aging box. With the aging of the outdoor atmosphere associated multiplier used to accelerate = aging outdoor air days / Artificial Weathering days to express. For example, styrene-butadiene rubber and butadiene rubber in the sun artificial climate aging 50 hours, the equivalent of 100 hours respectively outdoor atmospheric aging 0.5 and one on. To speed up its multiples of 7.2. But for most of rubber, plastic, etc. so far have not found their test results relevance.
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