This resin (426#) is the best choice for printing ink manufacturer, for its softening point reaches above 125 degree, however the acide value below 165 and the price is far lower than phenol resin. Meanwhile, as color carrier in printing ink, it can enhance ink adhesion. Specification: 426# Water-Soluble Ink Resin Softening point(C) 125Min Acid value(mgKOH/g): 155-156 Color(APHA) 9Max