Pentaerythritol Ester of Maleic Rosin

Products & Informations

Rosin Modified Maleic Resins is a light yellow transparent solid, which is synthesized by the addition reaction between gum rosin and maleic anhydride, then through the esterification with pentaerythritol.


  • Adhesives
  • Grinding resin for blue pigment
  • Publication gravure inks


  • Totally soluble in aromatics and chlorinated solvents
  • Partially soluble in aliphatics
  • Insoluble in alcohols and ketones
  • Good tability



  • avoid contact with light
  • keep separated from incompatible substances
  • store and handle in accordance with all current regulations and standards
  • store in a cool, dry place, under cover at temperature below 30°C
  • store in a tightly closed container, stability of about 6 months in standard storage conditions


The above information is believed to be accurate and presents the best explanation currently available to us. We assume no liability resulting from above content. The technical standards are formulated and revised by customers’ requirement and us, if there are any changes, the latest specification will be executed and confirmed in the contract.


Acid value, mg KOH/g ≤50
Softening point, R&B, °C 179
Colour, gardner, 50 resin/50 toluene ≤6
Viscosity, at 20°C, 50 resin / 50 toluene, mPa.s 375
Viscosity, at 23°C, 45 resin / 55 toluene, S 31