maleic resin 1303

Maleic Resin Description: Maleic resin are made from rosin and maleic anhydride through addition reaction then with glycerol to get the irregular transparent sheet solid.Performance characteristic:Dissolved in coal tar, esters ,gum turpentine solvents, cannot soluble in alcohol solvent, and mixed well with vegetable oil. The materials have the advantage ofn light colored, not yellowed, good thermal stability and excellent adhesion, and so on. Specification:TypeBC-1303BC-1305color(Gardner neat),max35acid number,max3030softening point(R&B), ,130±5130±5solubility (with benzene1:1)clearclear