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Sean Fowler

Sean Fowler
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Humidity is a general term that describes the amount of water vapor in the air. Humidity is a critical element of the...

The first three parts in this series discussed what the QUV/uvc is and why it was developed, outlined two published UVC...

In the last post on the QUV/uvc, we discussed two published standards with UVC exposure protocols, covering quite...

In our first post on the QUV/uvc, we discussed why the QUV/uvc was designed and the differences between it and the QUV...

The QUV/uvc is a new version of the QUV accelerated weathering tester. The main difference between it and other QUV...

This very common question is often well-meaning but can at times limit one’s understanding of weathering of materials....

Q-Lab is happy to announce approval of the Q-SUN Xe-3-HS by Renault to perform testing according to the joint Renault...

Background:  For a test in QUV we can choose between two conditions that give the same amount of total energy: Test A:...

The term “wet bottom” is used in two common standards for corrosion testing - ASTM G85 and SAE J2334. ASTM G85 calls for...

The Big Payback on Weathering & Light Stability Testing: Quite often, weathering and light stability testing yields huge...