Sometimes water-based ink will appear gel phenomenon, it will affects the ink in normal using caused of water-based ink being thicken and harden. The main reason of water-based ink get gel are improper formulation, raw material quality and production technology ect. problems, due to the various reasons, so there are no universal anti-gelling agents can solve all problems of the gel. The most fundamental methods is to control and start from the selection of raw materials, printing ink formula and the production process to prevent problems occurs in advance. If the ink appears the phenomenon of gel, also need to take corresponding methods according to the concrete situation.