The Properties and Characteristics of Polyurethane Rollers

The Properties and Characteristics of Polyurethane Rollers

Properties of Polyurethane Rollers

1. Physical properties

The performance of polyurethane rollers can be divided into two aspects, one is chemical performance and the other is physical performance. The physical properties of polyurethane rollers have special physical properties and can be used for a long time, so that they will not have aging problems. In terms of physical functions, because polyurethane will not age easily, has good wear resistance and good resilience, its service life is also very long. Polyurethane rollers can also adapt to high-strength, high-pressure production environments, such as relatively harsh conditions such as high temperature, high temperature, and high pressure.

2. Chemical properties

The chemical properties of polyurethane rollers make them resistant to a variety of solvents. Because polyurethane is the main raw material of polyurethane rollers, it can show special resistance to the solvents required by various printing machines. The chemical properties of polyurethane rollers are also very good. It is suitable for UV inks and can also be adapted to different types of printing methods. It has good solvent resistance to boiling water, gasoline, diesel and other solvents.

The characteristics of polyurethane roller

1. Easy to clean

Compared with rubber rollers made of other materials, polyurethane rollers are easier to clean, easy to switch between dark and light inks, and convenient for printing color changes.

2. Good hydrophilicity

Polyurethane rollers have good hydrophilicity, so they are used in some alcohol products and water system equipment with good results.

3. Good ink transfer

The colloid for polyurethane rollers has sufficient surface viscosity to ensure that the rubber rollers have good ink transfer and ink holding performance during the printing process, and its good ink affinity can ensure high-quality printing.

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