
Dark blue nano tungsten oxide may be applied for producing heat-insulating glass window film. And such heat insulation film can be used in heat insulation fields for architectural window glass and automotive window glass, such as, office buildings, hotels, exhibition halls, high-rise apartments, villas, houses, sunrooms, and glass curtain walls in shopping malls. Then, do you know what blue tungsten oxide is? Blue tungsten oxide powder is an unclear product industrially. The main phase composition of blue tungsten oxide is…