The quality of the polyurethane rubber roller directly affects the performance of the rubber roller. In order to ensure that the rubber roller can replace the textile, printing and other fields in a long-term and efficient manner, we usually replace the polyurethane rubber roller with the following conditions.
1. The surface of the polyurethane rubber roller should be properly adjusted and smooth, and the size should be controlled within the tolerance range, and it will not move greatly due to changes in temperature and humidity;
2. It should be able to withstand the corrosion of the ink, and will not be deformed under the action of the ink, its size will not change, and the ink will not penetrate the surface of the adhesive layer;
3. It should have good ink affinity, the ink can be embedded on the surface of the rubber roller, and can be easily transferred to the surface of other rollers;
4. It should have sufficient elasticity, once it leaves the printing plate, it can be restored to its original state immediately, and the temperature will not rise due to friction.
In addition, the material of the polyurethane rubber roller should have a certain degree of hardness and sufficient durability, and have good wear resistance, easy to clean, and no oxidation or aging phenomenon.