Yellow tungsten oxide nanopowder may be applied for preparing thermal insulation film, such as car window film, which not only has high heat insulation property, but also has high transmittance of visible light.
This kind of thermal insulation film has high UV blocking rate as high as 99.9%. As is known to all, UV radiation can cause sunburn, aging skin, winkles and yellow or brown spots. According to statistics, 90% of human skin aging is caused by excessive UV radiation. What is worse, excessive UV radiation can cause skin cancer. Therefore, it is necessary to coat heat insulation film on your windows. Besides, it is environmentally-friendly and harmless to the human body. In addition, it is safe and explosion-proof although this layer of film looks thin. And it does not affect your sight at all during the day and night with high transparency. So, why not choose this type of thermal insulation film for your car or home.
More details, please visit:
http://www.tungsten-powder.com/Yellow-Tungsten-Oxide.html
