Reduce heat in summer In Winter Keep Warm Save energy
Shading Coefficient is to quantify the amount of light coming through the window. To be effective, Shading Coefficient is lower the better. The dark film or reflective glass were believed to be good.
The latest window film cuts the heat & UV without blocking the light. Some mixed ITO and ATO to glue and those have the effect of the photo catalyst by absorbing the UV, however, these adhesive would result decomposition and discoloration.
FUMIN COATING, the world’s most advanced nanotechnology with its 2μm thick, its performance is not possible to measure by thin-film thermal conductivity meter. It is possible to measure if the thickness of temperature sensitive paint is more than 50μm. Therefore, we compare with those already measured.
375W infrared light irradiation start
375W infrared light irradiation for 1 minute
Double glazed glass retains the heat in the room, but the heat of the sunlight does not stop.
FUMIN COATING（left half）
Shading Coefficient 0.88
Visible ray transmittance 84.7％
Solar reflectance 6.7％
Window film (right half)
Shading Coefficient 0.57
Visible ray transmittance 3％
Solar reflectance 7％
After 375W infrared light irradiation for 1 minute,
the both sensors on metal plates detected almost
the same temperature.
SC of film is 0.57
Saving Energy calculation
（0.9－0.57）÷0.9ｘ100＝37％ of energy saved.