Polyethylene film is an early type of agricultural film used in agricultural production. It was once widely applied and consumed in large quantities, but now it is being gradually replaced by a new type of coating film.
Coating film is superior to polyethylene film mainly because it is an upgraded and processed version based on traditional polyethylene film, with its inner surface treated via coating and laminating techniques. After undergoing this series of treatments, the anti-dripping and anti-fogging functional agent adheres firmly to the inner wall of the greenhouse film and forms a layer of chemical agent on its inner surface. Once the moisture inside the greenhouse comes into contact with the inner wall of the film, a water film is formed and then flows down under its own gravity, achieving the effects of defogging and anti-dripping.