1.Nano coating paint on window glass 2.Energy saving and heat insulated 3.Lasts for ... If you put the transparent heat insulation coating on the glass in summer, it can resist 90 ... human health.4. With water as solvent, it is non-toxic, tasteless, security and environmental protection.5. ... resistance(1000h)no color difference, no surface layer and wrinkle defect, no bubbling, no significant performance ...