Accelerated weathering

accelerated weathering

[ak′sel·ər‚ā·dəd ′weth·ər·iŋ]
(engineering)
A laboratory test used to determine, in a short period of time, the resistance of a paint film or other exposed surface to weathering.

Accelerated weathering

Determination of the weather-resisting properties of materials by testing cycles that imitate natural weathering conditions as closely as possible.

accelerated weathering

A laboratory testing technique to determine, in a relatively short time, the weather resistance of a paint film or other exposed surface.
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The group has also created extended capacity and capability in environmental exposure and accelerated weathering testing.
* Developments in natural and artificial accelerated weathering test methods;
Among the topics are an automated fatigue testing device for assessing the performance of sealant jointing products, accelerated weathering test standards for sealants and adhesives: replicating aqueous outdoor environments for improved service life prediction, adhesive bonding and sealing of additional equipment on foundations of large-scale offshore wind-energy turbines withstanding pile-driving operations, case study: using sealants and spray-foam insulation to create a continuous air barrier from the interior of existing buildings, and dibenzoate plasticizer technology for sealants.
A semi-gloss paint formulated with novel polymer and a leading commercial paint were tested for accelerated weathering according to the ASTM D4587-11 test method using UV-A radiation without condensation cycle.
Accelerated weathering tests of polymeric material.
Mechanical tests were conducted after accelerated weathering described in Section 2.5.
The effects of accelerated weathering on the surface morphology, surface color, surface chemistry, thermal properties, and mechanical properties were evaluated after distinct periods; the total time of exposure of the composites in a QUV-accelerated weathering tester was 1,200 hours.
After months of work, it is now able to amp up the product's effectiveness to provide a six-fold improvement - a claim that has been verified through ISO standard accelerated weathering and anti-corrosion tests conducted by independent testing consultancy, the PRA.
Westlake, OH, August 02, 2015 --(PR.com)-- Q-Lab Corporation, the worldwide leader in accelerated weathering and corrosion equipment and exposure test services, announced that 2015 marks the 10th anniversary of its representative office, Q-Lab China.
Accelerated aging using Q-Lab's QUV accelerated weathering tester (Q-Lab 2011).
Abstract The long outdoor service life of painted metal and wood objects, often measured in decades, requires the use of accelerated weathering protocols to predict the long-term efficacy and performance of new barrier protective coating candidates.

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