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Each coating method is suitable for materials with different properties and coating thickness, and has its own advantages and disadvantages. For example, the coating amount of dip coating is not easy to control, which is greatly affected by the characteristics and temperature of the material; the thickness of the coating layer coated by roller coating is easy to control, the coating amount is easier to control, and the uniformity is better, but it is more affected by the characteristics of the material. Large, suitable for a narrow range of material viscosity; although gradient extrusion coating is easy to control the coating amount, it is suitable for a narrow range of material viscosity, and the coating amount is too small to be easy to coat, and it cannot be coated to the edge, resulting in a waste of substrate ; Curtain drop coating is a predictive coating method, it is easy to operate, the longitudinal and transverse coating thickness is very uniform, the coating has no scratches, streaks, orange peel, but the drop curtain is easily affected by factors such as vehicle speed Therefore, the stability of the curtain falling is a big problem. It is a company specializing in the production of PET film with multiple functions, such as: transparent PET film, milky white PET film, release PET film, supply of PET motor film, etc. With a wide range of products, affordable prices, and environmental protection, we provide customers with excellent quality and service based on the service tenet of excellence in production, honesty and trustworthiness in distribution, warm and thoughtful service, and the spirit of assisting partners to achieve their own careers. Interested parties welcome to inquire!