★ Efficiency and energy saving (saving about 30% of electricity for indoor air conditioners)

★ Improve the bad environment (glare isolation)

★ One way perspective (mirror effect)

★ Block ultraviolet ray (prevent skin from sunburn)

It is widely used in the glass film of sunlight room, balcony, curtain wall, factory building, office building, hotel, government and school, home doors and windows, etc.