If the paper surface of the good price and quality paper cup raw material roll becomes rough, it will affect the fineness of the coating and printing of the coated paper. According to the relationship between the surface fineness of the good price and quality paper cup raw material roll. and the stiffness (or thickness), the following measures are taken to improve the fineness of the surface of the paper cup raw material.
1. Optimize the process formula of surface sizing, increase the amount of sizing on the surface or add fillers in the starch glue liquid sizing the surface of the good price and quality paper cup raw material roll under the premise of ensuring the surface strength is qualified.
2. Spray raw starch liquid on the wet paper sheet at the wire part, this method can also improve the fineness of the front of the good price and quality paper cup raw material roll. This side can be used for printing or non-printing for the lamination
3. If the above two measures cannot increase the stiffness of the coated paper, the customer needs to contact the supplier of the good price and quality paper cup raw material roll in time to select a set of paper models with higher fineness to meet their own needs.
