... visible light through it 2.Anti-UV and energy-saving. 3.Lasts for 10 years,without toxic. 4.water The ... light through it, so it may keep windows transparent, and does not affect the indoor lighting. 2.. It ... water as solvent, it is non-toxic, tasteless, security and environmental protection.4. Rapid curing at room temperature, usually ... using period is 8-10 years. Nano solution for windshield(car/bus)