
Yellow tungsten oxide nanopowder may be used for the preparation of window heat insulation film, which is mainly applied in buildings and automobiles with high thermal insulation performance. And it can also play a significant role in privacy protection and beauty. Those outdoors cannot see the indoor scene, while the view is clear and natural if you look out from the room. Certainly, you should take the self-cleaning properties of building glass into account. In other words, the self-cleaning properties…