Tungsten Trioxide Applied for Bedroom Thermal Insulating Film

Tungsten trioxide for preparing bedroom thermal insulating film is not pure tungsten trioxide powder, but doped tungsten trioxide nano powder. And the prepared heat insulation film is a new type of energy-saving material, which is environmentally friendly with long service life.

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According to the experts, the prepared bedroom thermal insulating film also shows high thermal stability, with no obvious change in thermal performance after 100 heating-cooling cycles. And such a smart film exhibits a significantly decreased UV transmittance due to the UV absorption of nano particle size tungsten trioxide. In addition, typical absorption for such a heat insulation film is 70% for visible light and 85% for infrared light with 99% for UV light. This type of film sticks directly onto the glass. In a word, all these indicate that the novel thermal insulating film is promising for use in energy-efficient building and automobile applications.