The Q-Panel Lab product experts call 2000 hours of UV testing the equivalent of approximately two actual years of full sun exposure. Therefore, the 4000 hours .
UV DURABILITY OF TENCATETM GEOSYNTHETICS
May 18, 2010 . number of hours of exposure to simulated UV degradation testing, such as seventy . 2000. 3000. 4000. 5000. 6000. Exposure Time (Hours). Strength. R . Table 1: Equivalent Outdoor UV Irradiance Exposure for 500 Hour .
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PRA - Durability
This compared with the 2000 hours needed for the Q-UV method. . The lightfastness testing is carried out dry using optical radiation filters equivalent to .
SUPERTHERM CERAMIC INSULATION COATING SUPER THERM ...
SUPERTHERM ® has passed 2000 hours of salt spray testing which equals marine . R19 equivalent insulation factor SUPERTHERM ® blocked 92% of the heat. . One ceramic compounds is primarily to block Ultra Violet (UV) heat at 99 %.
For years, acid rain, ultraviolet light and efflorescence have been . for 2000 hours, the equivalent of 15-20 years. . been generated form independent lab tests.
Accelerated UV Test Methods and Selection Criteria for ...
Methods to quickly test the UV durability of photovoltaic . For testing durations of at least 1-year equivalents (> 280 MJUV) = 10% . 8, 241-256 (2000) .
UV Ageing Test and EIS Study of Fluorocarbon Resin Coatings on ...
After 2000 hours of ageing in the UV chamber, there is a low impedance values in . ageing at 600~1200 hours. the EIS data and equivalent circuit model, .
Halogen Free New Recyclable Cable with Low Toxic Gas Emission
practical, but in this test UV intensity is 10 times that of a conventional “Sunshine Weather Meter”. 200 hours of. UV Test time is equivalent to 2000 hours of a .