The coil coating process is similar to the giant presses that print every evening. The entire process is non-stop, always running at a fixed speed, and the coil metal is continuously joined so that the length of the coil is virtually infinite. However, unlike printed newspapers, metal coils need to

Metal phosphating is one of the common measures for metal surface treatment. However, in the process of operation, metal phosphating is prone to defects and affects the treatment effect, so metal phosphating often has defects and solutions.1. The phosphating part returns to rust.Cause: The free acid

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Aluminum profile spraying equipment -- pretreatment system 1, The advanced oil removal and demulsification technology is used to realize synchronous processing and synchronous utilization, so as to avoid the two pollution of the workpiece. So that the aluminum profile can get better quality and exte

In order to remove all kinds of foreign objects (such as oil, rust, dust, old film, etc.) attached to the surface of the object, a good substrate suitable for the coating is provided to ensure that the coating has good corrosion resistance, decorative properties and some special functions.