| 1. |
Adjust the viscosity, solid content and PH value of the coating material based on the features of the paper surface, the speed of coating equipment and other coating conditions to avoid inappropriate wetting or cracking of the coating layer. |
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| 2. |
Since PEPA® surface is very fine, any bad coating may emerge after the inkjet process. It is, therefore, important to control the tension of the coating machine and the cleanness of the coating material. |
