Things that water-based inks have to pay attention to in screen printing!

Water-based inks should pay attention to the parameters of water-based inks during screen printing, including viscosity, fluidity, thixotropy plasticity. The control indexes of ink mainly include fineness, viscosity, pH value drying speed, etc. They play a decisive role in the application effect of ink.

Since the water-based ink is a pure water-based system, do mix the water-based ink with alcoholic inks solvent-based inks add organic solvents to the ink. When using humor, stir it evenly have a suitable viscosity pour it into the ink tank. Control the pH value of the ink, generally controlled at 8.5 ~ 9.5.

During the printing process, due to the volatilization of water, the viscosity of the water-based ink will increase the pH value will decrease. Therefore, it is necessary to observe the use of the ink frequently find that when the viscosity of the ink increases the pH exceeds the control range, the diluent pH should be used in time. The agent is adjusted to ensure the stability of viscosity pH.