Yellow tungsten oxide powder may be applied to the production of thermal absorption agricultural plastic film in the form of an infrared absorbing layer. This is a new type of composite agricultural film. The new agricultural plastic film of yellow tungsten oxide is mainly obtained by coating yellow tungsten oxide nanoparticles in a production process of blown polyethylene film, cast polyethylene film or extrusion coated polyethylene film. Certainly, there are many other types of agricultural plastic films on the market, but their thermal absorption effects are not very good.
Therefore, some experts have discovered a kind of micro particles, that is, yellow tungsten oxide nanoparticles, in the process of studying the thermal insulation effect of the agricultural film, which have good heat absorption effect. Generally, the heat absorption effect of common agricultural film on soil warming is not sufficient, while the new agricultural film of nano grain size yellow tungsten oxide can improve this condition.
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