... 1. Applicable water quality range, no special requirements for ink, plates, printing materials, etc; 2. The PH value of the buffer ... water film balance, reduce the consumption of hypotonic, make the printing ink saturated, bright colors.Washing WaterProduct Characters: 1. Will not ... -term use can maintain the quality of the ink roller, mintain good printing condition.2. Non-toxic nature,low odor, ...