Zhengzhou music color Polytron Technologies Inc   

On, as we all know, itself pressure electric high-precision photo machine to print out of the picture should be color is rich, the rich colors from mainly photo ink pigment, but have time to write some customers use photo machine printing. After a long time of use, a process of fuel fade. So today, we're going to talk about the how to solve these problems, so just in case! What factor causes the dye in ink to change? One is the UV irradiation, two is ink dye encountered some redox material makes dyes chemical structure hair