Description

Rosin, Polymer With Glycerol And Pentaerythritol is a modified rosin ester, a versatile synthetic resin derived from natural rosin acids. This compound is valued for its excellent tackifying properties, thermal stability, and compatibility with a wide range of polymers. It is a critical raw material for industrial manufacturers requiring high-performance adhesives, sealants, and coatings, particularly in the packaging, construction, and specialty chemical sectors.

Application

• Hot-Melt Adhesives (HMAs): A primary tackifier providing excellent initial adhesion and cohesive strength for packaging, labeling, and non-woven applications.
• Pressure-Sensitive Adhesives (PSAs): Enhances tack, peel, and shear properties in tapes, labels, and graphic films.
• Sealants and Caulks: Improves adhesion, flexibility, and durability in construction and automotive sealant formulations.
• Inks and Coatings: Used as a resin modifier to enhance gloss, hardness, and drying properties in printing inks and protective coatings.
• Rubber Compounding: Acts as a processing aid and tackifier in rubber products, improving compound viscosity and end-product adhesion.
• Polymer Modification: Serves as a compatibilizer and performance enhancer in various polymer blends and composites.

Basic Information

Product Name	Rosin, Polymer With Glycerol And Pentaerythritol
CAS No.	68458-54-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Rosin Glycerol Pentaerythritol Ester; Glycerol and Pentaerythritol Rosinate; Rosin Ester; Modified Rosin Ester; Ester Gum (modified); Tackifying Resin; Polyester of Rosin with Glycerol and Pentaerythritol; Pentaerythritol/Glycerol Rosin Ester
EINECS	Contact for details

Quality Control

Our production of Rosin, Polymer With Glycerol And Pentaerythritol adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistent performance characteristics such as acid value, softening point, color, and viscosity. Certificates of Analysis (COA) documenting these specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve product integrity. Keep away from heat sources and open flames.

Specification

Item	Specification
Appearance	Pale yellow to amber solid
Softening Point (Ring & Ball)	85 - 105 °C
Acid Value	≤ 20 mg KOH/g
Color (Gardner)	≤ 8
Identification (IR)	Conforms

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.