Black acrylic screen printing UV ink is not strong, what is the reason? What ink is suitable for black acrylic screen printing?

Black acrylic screen printing UV ink is not firm, which may be due to the following reasons:

* * Improper ink selection. * * Black acrylic has a smooth surface and requires high ink adhesion. If ordinary UV ink is used, there may be problems such as insufficient adhesion and easy falling off. It is recommended to use UV ink specially designed for black acrylic, which usually has high adhesion and wear resistance.

* * Improper ink matching. * * Improper matching of ink will also affect the adhesion of ink. If the proportion of diluent in the ink is too high, the viscosity of the ink will decrease, thus affecting the adhesion. It is suggested that it be prepared according to the proportion provided by the ink manufacturer.

* * Improper printing process. * * Improper printing process can also lead to ink instability. If the printing pressure is too low, the ink can not be completely attached to the acrylic surface; If the printing time is too short, the ink cannot be completely cured; If the printing temperature is too low, the ink cannot be completely cured. It is recommended to operate according to the printing parameters provided by the ink manufacturer.

Black acrylic acid is suitable for screen printing with the following inks:

* * Special UV ink. * * Special UV ink has high adhesion and wear resistance, and is suitable for printing on black acrylic.

* * Acrylic ink. * * Acrylic ink has good adhesion and weatherability, and is suitable for printing outdoor advertisements on black acrylic.

* * Waterborne ink. * * Water-based ink is environmentally friendly and suitable for printing food packaging and other products on black acrylic.