
Tungsten trioxide is a new nano material with excellent near-infrared shielding effect, so it is often used to prepare sun room heat insulating glass coating. You can enjoy “warm winter and cool summer” without opening the air conditioner, just by coating such smart coating on your glasses of sun room. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html A thin layer of tungsten trioxide heat insulation coating film with a thickness of several micrometers can effectively block more than 90% of ultraviolet rays…