Blue tungsten oxide powder may be applied to produce heat insulation agricultural film, and therefore be applied in agricultural greenhouses. We all know that the crops planted in agricultural greenhouses are mostly crops that are shade-requiring plants. And excessive ultraviolet light rays (UV) can be harmful to such crops. For example, such plants are more prone to sunburn in the summer, resulting in sunburn and the like.
However, the heat insulating agricultural film adding with nano particle size blue tungsten oxide powder can solve the problem of excessive ultraviolet irradiation because such thin film has a certain ultraviolet shielding effect. More importantly, such film is transparent with good visible light transmission. That is to say, it does not affect the day lighting of crops in the agricultural greenhouse. In a word, the photosynthesis conditions of these crops in agricultural greenhouses which adopt heat insulation agricultural film of nano blue tungsten oxide powder can be satisfied.
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