Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Eastman Permalyn 8120 Rosin Ester

Eastman Permalyn 8120 Rosin Ester is a pale, thermoplastic tackifier resin in the Permalyn series, offering excellent compatibility with natural/synthetic rubbers and hot-melt adhesives. It delivers high tack, good thermal stability, and low odor—ideal for pressure-sensitive adhesives, coatings, and rubber compounding applications requiring consistent performance and clarity.
  • eastman permalyn 8120 rosin ester_b7924268
  • eastman permalyn 8120 rosin ester_b7924268

Features Of Eastman Permalyn 8120 Rosin Ester

  1. High softening point for enhanced thermal stability in hot-melt formulations.

  2. Excellent tack and adhesion performance on low-energy substrates such as polyolefins.

  3. Low color and high clarity, supporting aesthetically demanding applications.

  4. Good compatibility with ethylene-vinyl acetate (EVA), styrenic block copolymers, and natural rubber.

  5. Consistent batch-to-batch quality ensured by Eastman’s controlled rosin esterification process.

Typical Applications Of Eastman Permalyn 8120 Rosin Ester

  1. Hot-melt pressure-sensitive adhesives (HMPSAs) for labeling and packaging tapes.

  2. Nonwoven adhesive systems in hygiene and medical assembly applications.

  3. Bookbinding and graphic arts adhesives requiring fast set time and strong bond strength.

  4. Assembly adhesives for automotive interior trim components.

  5. Thermoplastic elastomer (TPE)-based compound modifiers for improved tack and cohesion balance.

Specifications Of Eastman Permalyn 8120 Rosin Ester

Chemical TypeHydrogenated rosin glycerol ester
Product FormPale yellow to light amber solid pellets or flakes
AppearanceClear, transparent, free of visible impurities
Softening Point (Ring & Ball, ASTM E28)~120–125 °C
Color (Gardner, ASTM D1544)≤3
Acid Number (ASTM D1639)≤10 mg KOH/g
Saponification Number (ASTM D1639)145–155 mg KOH/g
Primary ApplicationsHot-melt adhesives, pressure-sensitive adhesives, rubber compounding


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