Description

Rosin, Formaldehyde, Phenol, Glycerin, 1,2-Benzenedicarboxylic Anhydride, Linseed Oil, Tung Oil Polymer is a specialized synthetic resin, commonly known as a modified phenolic resin or an alkyd-type polymer. This compound is engineered to deliver a unique balance of hardness, flexibility, and chemical resistance, making it a critical component in high-performance industrial coatings. It is primarily utilized by manufacturers in the paints, varnishes, inks, and adhesive industries seeking durable, protective finishes for metal, wood, and other substrates.

Application

• Industrial and Marine Coatings: As a key resin binder in anti-corrosive primers and topcoats for structural steel, ship hulls, and offshore platforms.
• High-Grade Printing Inks: Provides excellent gloss, adhesion, and drying properties for packaging and publication inks.
• Wood Finishes and Varnishes: Used in formulations for furniture lacquers, floor coatings, and decorative varnishes requiring enhanced durability.
• Adhesives and Sealants: Serves as a tackifying and strengthening agent in structural and assembly adhesives.
• Wire Enamels and Insulating Varnishes: Imparts electrical insulation properties and thermal stability to magnet wire coatings.
• Can and Coil Coatings: Formulated into coatings for food containers, beverage cans, and pre-coated metal coils.

Basic Information

Product Name	Rosin, Formaldehyde, Phenol, Glycerin, 1,2-Benzenedicarboxylic Anhydride, Linseed Oil, Tung Oil Polymer
CAS No.	66071-20-3
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Polymer (Contact for details)
Synonyms	Modified Phenolic Resin; Rosin-Modified Phenol Formaldehyde Resin; Alkyd Resin (Rosin/Tung/Linseed Oil Modified); Phenolic Varnish Resin; Tung Oil Phenolic Polymer; Ester Gum Modified Phenolic; Coating Resin 66071-20-3; Printing Ink Resin
EINECS	Contact for details

Quality Control

Our production of this polymer adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as acid value, viscosity, color, and softening point are rigorously tested. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing all relevant specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flame. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Amber solid or viscous liquid
Softening Point (Ring & Ball)	80 - 120 °C
Acid Value	≤ 30 mg KOH/g
Color (Gardner)	≤ 12
Viscosity (at 25°C, 60% in solvent)	Z-Z3 (Gardner-Holdt)
Solubility	Soluble in common organic solvents

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