The abrasion resistance of a printing ink is its ability to withstand abrasion through contact, friction or movement. Good abrasion resistance is important for printed products that are frequently touched, such as packaging, labels and advertising materials.
The decisive factors here are the nature of the pressure (adhesion, density), the type of friction (force, duration) and the hardness and roughness of the rubbing material.
The abrasion resistance of a printing ink is influenced by various factors, such as
- the type of printing ink
- the composition of the printing ink
- the thickness of the printing ink
- the type of paper
- the processing conditions
Printing inks with high rub resistance are often produced on the basis of oils or resins. They often also contain special additives such as pigments, fillers or binders that increase rub resistance.
The abrasion resistance of a printing ink can be measured using an abrasion test. In this test, the printing ink is subjected to a defined abrasion cycle and the ink abrasion is measured.
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