The characteristics of high-end rubber rollers.

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The rubber roller appears shiny, with a delicate and smooth surface, and the rubber is firmly bonded to the core.

The polyurethane rubber rollers used for mid to high-end printing machines should have the following characteristics:

1. The rubber roller appears bright in color, with a delicate and smooth surface, and the rubber is firmly bonded to the core. The dimensions of the rubber roller do not change significantly at different temperatures, allowing it to adapt to high temperature and high humidity environments or extremely cold and dry climatic conditions.

2. The polyurethane rubber roller has sufficient surface viscosity. Therefore, the rubber roller has good ink transfer and ink adhesion performance during the printing process, and good ink affinity ensures high-quality printing.

3. It has excellent chemical properties, suitable for various types of inks and printing methods, especially suitable for UV ink rollers and varnish rollers. (In particular, it has good solvent resistance to diesel, gasoline, fountain solution, kerosene, saline solutions, etc.)

4. It has superior physical properties, and long-term use will not cause the rubber roller to harden or age. It has good tear resistance and rebound performance, and excellent wear resistance. It has a long service life, is easy to store, and long-term storage does not affect its performance. Under pressures that natural rubber rollers and synthetic rubber rollers cannot withstand, high-speed rotary machines, and high temperature and high humidity production environments can still operate normally without impact (the tensile strength and wear resistance of polyurethane rubber rollers are 3 to 5 times that of natural rubber rollers. Compression permanent deformation, rebound, and wear resistance are better than those of synthetic rubber rollers such as nitrile rubber rollers). 6. By adding special formulations to the polyurethane material, the internal molecular structure is altered, introducing and increasing strong genes that have good affinity for water, thus improving the material's resistance to surface tension and surface water absorption. Therefore, it is extremely effective for use as rollers for fountain solutions and alcohol series.

5. The rubber roller is easy to clean. It is very easy to switch between deep and light color inks during production. As a plate roller for some printing machines, it can remove paper fibers, dust, and anti-adhesion powder from the printing plate, eliminating the need for frequent loading and unloading for cleaning, which facilitates production.

Rubber roller,Colloid

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