Weather testing of coatings is required to determine service lifetime.
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The factors of weather – solar irradiance, heat, and water – cause ageing processes on microscopic level. Over time, these degradation processes develop into macroscopic property changes of the coating, and ultimately lead to failure.
Proper weathering tests, both outdoors and in the accelerated weathering laboratory, are critical to finding out when fading, discoloration, flaking, delamination, cracks, gloss loss or other changes occur - avoiding costly premature product failures.
In this Application Guide you learn about:
- History and fundamentals of weathering testing
- Effect of weather on coatings
- Key weather testing climates
- Outdoor and laboratory weathering testing methods
