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What Is The Relationship Of 10,000 Hours QUV-A Accelerated Weathering To Real-World Outdoor Exposure?

10000 hours QUV-A is considered a relatively long aging period. It has been related to up to 10 years in the field. QUV-A has limitations though. Its spectrum is focused at 340nm whereas sunlight has a much broader range of wavelengths. QUV-A is useful for screening purposes but is no substitute for real world exposure.

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