UV Accelerated Weathering Tester In-depth Analysis

UV Accelerated Weathering Tester In-depth Analysis

UV lamps commonly two types: UVA aging and UVB aging

Lamp UVA-340: simulate the sun's ultraviolet radiation, commonly used in the outdoor product light aging test.

Lamp UVB-313: used to accelerate the aging of materials, the study of material durability, more rapid, time-saving light aging test.

Lamp UVA-351: used for indoor environment UV aging test, simulating the sunlight filtered through the window glass after the sun spectrum.

UV light aging test conditions: lamp type, irradiation radiation intensity, temperature, time, number of cycles, non-light type (condensation, spray) conditions, etc.

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UVA aging test:irradiation of UVA-340 lamp

0.68W/m2@340nm=summer noon sunlight for fast light aging test effect

1.38W/m2@340nm=2 times the maximum value of sunlight, can obtain the rapid light aging test effect

0.35W/m2@340nm = March or September daylight, common or lower UV light intensity aging test requirements

UVB aging test:UVB-313 lamp irradiance

1.23W/m2@340nm, very fast light aging test

0.48W/m2@340nm UVB-313 lamp, refer to SAE J2020 standard light length

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