Offset Ink Modified Phenolic Resin
It is soluble in ester, vegetable oil, turpentine,and insoluble in alcohol and water.
This material is used mainly for offset printing for products such as newspapers and magazines. This is a special resin made by modifying a Synthetic Resin, phenol, with a natural resin, rosin. The performance of the resin is determined mainly by the modifier, rosin.