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Q-Lab is excited to announce the official release of the brand new TUV-421 lamps for QUV accelerated weathering testers. These innovative lamps help distribute a much broader spectrum of light, in comparison to your typical UVA-340 fluorescent lamps,...

BackgroundAsphalt paving is exposed in all parts of the world under the most extreme conditions. Sealer is applied directly over the top of existing, and partially degraded, asphalt to restore the surface to a new-like condition. The sealer has to ad...

Q-Lab is proud to have been recognized at SPE CAD RETEC 2024! The organization awarded Q-Lab with the Best Paper for last year's contribution High Irradiance Weathering Testing of Plastics, marking the third time Q-Lab has received this honor. The ph...

For the first time in over 30 years, the test standard ISO 105-B04 Textiles — Tests for colour fastness Part B04: Colour fastness to artificial weathering: Xenon arc fading lamp test has been updated. This revision clarifies the intent of the standar...

Background:  For a test in QUV we can choose between two conditions that give the same amount of total energy: Test A: Irradiance 0.65W/m2 for a time of 3000h.Test B: Irradiance 0.83W/m2 for 2500h.The testing samples are films, with a thick...

What Is Weathering?Weathering and LightstabilityWeathering refers to changes in material properties that result from exposure to the radiant energy present in sunlight, in combination with heat (including temperature cycling), and water in its variou...

This is a simple question, but unfortunately there is no simple answer. It is theoretically impossible to have a single "magic number" that you can multiply by weathering tester exposure hours to compute years of outdoor exposure. The problem is not ...

Q-Lab is pleased to announce that all QUV, Q-SUN, and Q-FOG weathering and corrosion testers with the Gen 4 Touchscreen Displays can now be operated in 17 different languages. This represents a major expansion of Q-Lab's industry-leading on-screen la...

Plastics, coatings, and other materials used outdoors are exposed to harmful UV light, high temperatures, and water in the form of dew and rain, which can cause a variety of physical and chemical degradation modes.One of the most common types of prod...

A recent episode of This Old House, an American TV series that highlights do-it-yourself home improvement tasks, examined the properties of Solar Reflective Asphalt Shingles. Part of the qualification for these shingles included a QUV accelerated wea...