Aromatic Petroleum resin for printing ink Specification: Appearance:granule,flake Soft point:95-140 Color:4-18# Acid value<1 Ash<0.1 Mainly is resin with high softening point. Petroleum resin can be used as linking agent of printing ink. Our product to be distributed all over the world. Our promise:Quality first,customers superior,reasonable price. If you need please contact us to know more ,we will always be at your service.