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How to improve the firmness of silk screen printing ink?

In the silk screen processing, attention should be paid to controlling the parameters of the aqueous ink and the control indexes of the aqueous ink. The parameters of water-based inks include the viscosity, fluidity, thixotropic and plasticity of aqueous inks; the control indexes of water-based inks mainly include fineness, viscosity, pH and drying speed. They play a decisive role in the application of the ink. Silk screen printing, Cixi silk screen printing ink factory.

  Good adhesion and wear resistance, especially for substrates that are difficult to print. A hardener must be added to the ink, which will chemically react with the binder. When adding a hardener, you must pay attention to its ratio. On the other hand, the hardener should be added to the ink shortly before printing because the ink for incorporation of the hardener has a limited pot life. The pot life is generally 6-12 hours depending on the type of ink.