Description

Rosin Modified Phenol-Formaldehyde Resin, Tung Oil, Glycerin, Phthalic Anhydride Resin is a specialized synthetic resin designed for high-performance industrial applications. This versatile compound is engineered to deliver superior adhesion, durability, and chemical resistance in demanding formulations. It is essential for manufacturers in the coatings, adhesives, and printing ink industries seeking to enhance product performance and longevity. The material is supplied with a CAS number of 68458-70-8.

Application

• Industrial Coatings and Varnishes: As a key binder in high-gloss, protective, and weather-resistant coatings for metal, wood, and automotive applications.
• Adhesives and Sealants: Provides excellent tack and cohesive strength in structural and pressure-sensitive adhesive formulations.
• Printing Inks: Used in gravure, flexographic, and lithographic inks to improve gloss, rub resistance, and drying properties.
• Rubber Compounding: Acts as a tackifier and processing aid to improve the properties of rubber products.
• Foundry Core Binders: Serves as a binding agent in sand cores for metal casting processes.
• Electrical Insulation Materials: Incorporated into insulating varnishes and compounds for electrical components.

Basic Information

Product Name	Rosin Modified Phenol-Formaldehyde Resin, Tung Oil, Glycerin, Phthalic Anhydride Resin
CAS No.	68458-70-8
Molecular Formula	Complex Polymer Mixture
Molecular Weight	Varies by grade and composition
Synonyms	Rosin Phenolic Resin; Tung Oil Modified Phenolic Resin; Alkyd Resin Precursor; Phenolic Modified Rosin Ester; Glycerol Phthalate Rosin Ester; Modified Phenol Formaldehyde Tackifier; Printing Ink Resin; Adhesive Tackifying Resin
EINECS	Contact for details

Quality Control

Our Rosin Modified Phenol-Formaldehyde Resin is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance. Each lot is tested against key parameters including acid value, softening point, color, and viscosity to meet precise customer requirements. A Certificate of Analysis (COA) documenting these results is provided with every shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flames. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Amber solid or viscous liquid
Softening Point (Ring & Ball)	80 - 120 °C (Grade dependent)
Acid Value	≤ 30 mg KOH/g
Color (Gardner)	≤ 12
Viscosity (at 25°C, 60% in Toluene)	200 - 2000 mPa·s
Solubility	Soluble in common organic solvents (Toluene, Xylene, Ethyl Acetate)

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