Understanding High Irradiance Testing for further acceleration without compromising correlation
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High Irradiance weathering testing significantly reduces test durations for material qualification and development, or increases laboratory sample throughput.
Sunlight, heat, and water are acting together creating weather ageing and finally product failure. Decent accelerated weathering tests usually apply worst-case maximum temperature, water stress, and sunlight. Nevertheless, many modern standards allow High Irradiance (HE). If done correctly, High Irradiance testing can cut the test time in half without compromising correlation to real-world exposure.
In this 22-page White Paper you learn about:
- The need for speed – How to accelerate testing
- 1 sun, 3 sun and more – Methods, technology, and experience
- Thermal and moisture effects in HE tests
- Reciprocity and how to confirm
