WaterBasedInkSuppliers Pigment selection, Resinification, compatibility between pigment and color developing solution, easy dispersion and treatment. Pigment Selection When preparing an ink system, we should first consider the form of pigment used and the stability of long-term storage. The optional pigment forms are dry pigment, filter cake and dispersed pigment. One advantage of choosing dry pigment is that dry pigment is 100% dry product, so there is no need to test the concentration of pigment in ink; http://www.kagem-inks.com/water-based-ink/