... feet of raw materials, using traditional methods (saponification acid,acid hydrolysis or pressurized hydrolysis) madeof hydrolyzed vegetable oil ... vacuum distillation can be more pure erucic acid. purposes : erucic acid little direct use,mainly for the fine ... lubricants,plasticizers, emulsifiers, softener, waterproof agent cleaner.Erucic Acid Specification: DP FC22-90 , Typical DataColor(APHA), 250max, ...