The infrared properties of nanometer cesium tungsten powder, particularly its excellent near-infrared absorption ability, offer broad application prospects. Below are its main application areas:
- Thermal Insulation Materials
- Building Industry:
Nanometer cesium tungsten powder can be used to prepare transparent heat-insulating coatings and films. These coatings and films can be directly applied to glass or shading fabrics, or they can be first applied to PET (polyester) films, which are then attached to glass surfaces (such as in automotive window films). These products effectively block near-infrared radiation, reducing indoor temperatures and decreasing the energy consumption of air conditioning, while maintaining good indoor lighting quality.
According to related data, adding approximately 2 grams of nanometer cesium tungsten powder per square meter of coating can achieve a transmittance of less than 10% in the 950-1400nm wavelength range, while maintaining over 70% visible light transmittance at 550nm, thus achieving excellent thermal insulation and lighting performance. - Automotive Industry:
Nanometer cesium tungsten powder is also suitable for preparing automotive heat-insulating coatings. By adding nanometer cesium tungsten powder to automotive window films, it can effectively block the heat from sunlight, reduce the interior temperature, and improve driving comfort. Additionally, this film helps prevent sun radiation from causing aging damage to the car’s interior decorations, thereby extending their lifespan.
- Optical Films
Due to its excellent near-infrared absorption ability and good visible light transmittance, nanometer cesium tungsten powder is also widely used in the production of optical films. These films, while maintaining high transparency, can effectively block the entry of near-infrared radiation, making them important in various optical devices. - Textile Fibers
Nanometer cesium tungsten powder has strong absorption properties in the near-infrared range (800-1200nm), making it suitable for producing textile fibers with thermal insulation properties. These fibers, used in products like clothing and curtains, significantly enhance the thermal insulation effect, improving comfort during wear or use. - Other Applications
Nanometer cesium tungsten powder can also be used in infrared filters, laser marking, laser welding, and photothermal therapy, utilizing its unique infrared absorption and conversion properties.
In conclusion, the infrared properties of nanometer cesium tungsten powder have broad application prospects in areas such as building thermal insulation, automotive heat insulation, optical films, textile fibers, and more. As technology continues to advance and research deepens, nanometer cesium tungsten powder is expected to demonstrate its unique value and potential in many other fields.
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