Liu, the R&D director of a large building materials group, once paid a heavy price due to the disconnection between the test data and the actual situation: "The BIPV panels we developed had a weather resistance life of 15 years as tested in the laboratory. However, after only 8 years of actual installation, yellowing and cracking occurred, resulting in the rework of 12 projects across the country and losses exceeding 120 million yuan." It was later discovered that the traditional simulator spectrum could not match the actual usage scenarios of building materials, and the irradiation uniformity was poor. Local data could not represent the overall performance of the board at all.
Saifan's industry-customized solutions precisely meet the testing requirements of building materials. The device is equipped with a dedicated spectral library for building materials. It optimizes the energy proportion of the ultraviolet band (300-400nm) for different materials such as BIPV, exterior wall coatings, and door and window glass. The spectral matching degree is ≥98.5%, and the consistency with the actual outdoor lighting conditions exceeds 96%. Combined with distributed multi-point uniform light technology, the irradiation uniformity is ≤±2%, the temperature difference of the entire board material is ≤±0.8℃, and the deviation of the test data of the same batch is ≤1%, which can accurately predict the actual service life of the material.
"Now, the actual service life of BIPV panels deviates from the test value by no more than one year, and there have been no more rework issues." " Engineer Liu introduced that the equipment supports extreme weather resistance tests ranging from 5,000 to 20,000 hours. Combined with rain and sandstorm simulation modules, it can fully reproduce complex outdoor environments. The energy consumption advantage is more significant: "Previously, the annual electricity cost for six traditional devices was 500,000 yuan and the maintenance cost was 300,000 yuan. Now, the annual electricity cost for one Saifan Steady-state device is only 80,000 yuan and the maintenance cost is 40,000 yuan. It also saves 80% of the laboratory space and can recover the equipment investment within three years."
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