... the high intensity, under long time irradiation of the ultraviolet radiation, nothing changed on the surface or the function, ... ShapeFlat, Curved, Etc.FunctionFire-resistance, Heat-Resistance, shield, Ultraviolet Radiation Resistance, Bulletproof, Save For Damage.Fireproof, Thermal-insulation, ... in the place where the heat-resistance and heat-radiation resistance function is clearly required. 2. Single ...