Description

Rosin, Polymer With Formaldehyde, 4-Octylphenol And Pentaerythritol is a synthetic resin derived from rosin, a natural product, through a controlled polymerization and esterification process. This modified rosin ester is engineered to provide enhanced thermal stability, improved adhesion, and excellent compatibility with a wide range of polymers and solvents, making it a critical performance additive. It is primarily utilized in the formulation of high-performance industrial adhesives, sealants, coatings, and inks where robust tackifying and film-forming properties are required.

Application

• Hot-Melt Adhesives (HMAs): Acts as a primary tackifier, enhancing adhesion, viscosity control, and open time for packaging, woodworking, and nonwoven applications.
• Pressure-Sensitive Adhesives (PSAs): Used in tapes and label formulations to improve tack, peel strength, and shear resistance.
• Industrial Coatings & Inks: Imparts gloss, hardness, and water resistance in protective coatings, overprint varnishes, and flexographic/gravure inks.
• Sealants & Caulks: Provides flexibility, adhesion, and durability in construction and automotive sealant formulations.
• Rubber Compounding: Functions as a processing aid and tackifier in rubber products, improving compound homogeneity and green strength.
• Polymer Modification: Enhances the compatibility and performance of various polymer blends, including SBS, SIS, and EVA.

Basic Information

Product Name	Rosin, Polymer With Formaldehyde, 4-Octylphenol And Pentaerythritol
CAS No.	67700-46-3
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Variable (Polymer)
Synonyms	Rosin, polymer with formaldehyde, 4-octylphenol and pentaerythritol; Modified Rosin Ester; Pentaerythritol Ester of Rosin-Formaldehyde-Octylphenol Polymer; Tackifying Resin; Rosin Ester Resin; Polymerized Rosin Ester; Octylphenol Modified Rosin Ester; Ester Gum (modified grade)
EINECS	Contact for details

Quality Control

Our Rosin, Polymer With Formaldehyde, 4-Octylphenol And Pentaerythritol is manufactured under a stringent quality management system. Each batch undergoes rigorous 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 protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperatures (typically 15-25°C). Keep away from heat sources and open flame. Under these conditions, the product maintains optimal stability.

Specification

Item	Specification
Appearance	Pale yellow to amber solid / flakes
Softening Point (Ring & Ball)	85 - 105 °C
Acid Value	≤ 20 mg KOH/g
Color (Gardner)	≤ 8
Viscosity (at 160°C)	Contact for details
Identification (IR)	Conforms

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