Phenolharz

Phenolic Resin Description: The product are made from rosin and phenol (BPA) and formaldehyde with condensation through esterification with glycerol (pentaerythritol), then get the irregular solid transparent sheet after the vacuum system.Performance characteristic:Product Performance : this products can soluble in the categories of coal tar, turpentine,benzene and esters,cannot soluble in alcohols, good mix performance with vegetable oil. With the advantages of high softening point,strong viscosity,large cohesive force,light color and good stability,also good intermiscibility with tie resin and rubber.Specification:Type2102116Color(Fe-Co),max810Softening point(R&B) ,135 150150 160Acid number(mgKOH/g),max2018Solubility (with benzene 1:1)clearclearSpecific weight,25/251.060 1.0901.060 1.090