Circuit board printing ink

Circuit board also called PCB solder resist ink, is a kind of liquid on the surface of the printing on the circuit board, PCB solder resist main function is to change circuit board color and prevent the tin on the circuit board welding outside. The color of the circuit board have a lot of kinds, general circuit board factory of resistance welding color has red, white, green, blue, black, and many current circuit board factory usually use green ink when processing circuit board, and the white ink is one of the most special of this kinds of printing ink, white ink good reflective ability is generally used in LED products.