In order to obtain faster acceleration in the UV aging test chamber, UVB-313 lamps are recommended. Because UVB-313 lamps emit many ultraviolet rays below 300 nm, the polymer materials can be rapidly degraded, but these degradations are in mechanism. It may be different from the degradation of the material caused by outdoor sunlight exposure. Therefore, the use of UVB-313 lamps should be cautious. Typically, UVB-313 lamps are commonly used for coating testing.
The UVB-313 lamps frequently used in UV aging test chambers are commercially available in two models, UVB-313 and FS-40. The spectral energy distribution is the same, and the peak radiation is at 313 nm. The difference lies in the total radiation energy ratio of the former. Large.
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