What do you need to pay attention to when using the protective film coater (3).

In the reverse roller coating process, if the vacancy of the two rollers is relatively small, the capillary accuracy is low enough, that is, in the case of relatively small viscosity or speed, the activity of the protective film coater in the decision of a wide speed ratio is relatively stable. It can get a relatively good coating apparent quality. If the vacancy is relatively large, the Protective film coater briefly presents air trapping when the coating speed is high, and there are many slender bubbles on the surface of the coating. 

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