Description

Tung Oil/ Rosin/ Maleic Anhydride/ Glycerol Alkyd Resin is a specialized, modified alkyd resin designed for high-performance industrial coatings. This resin combines the fast-drying and water-resistant properties of tung oil with the hardness and adhesion of rosin, modified with maleic anhydride for enhanced chemical resistance and glycerol for flexibility. It is essential for formulators seeking to develop durable, protective finishes with excellent gloss and weathering characteristics. Key industries that rely on this resin include paints and coatings, printing inks, and adhesive manufacturing.

Application

• High-Performance Industrial Coatings: Used as a primary binder in air-drying and baking enamels for machinery, agricultural equipment, and metal substrates requiring superior durability.
• Marine and Protective Paints: Formulated into anti-corrosive primers and topcoats for ships, offshore structures, and bridges due to its excellent water and salt spray resistance.
• Printing Inks: Serves as a key component in overprint varnishes and specialty inks that demand high gloss, rub resistance, and fast setting times.
• Wood Finishes: Ideal for high-quality furniture lacquers, floor varnishes, and wood stains, providing a hard, clear film with good penetration and water repellency.
• Adhesives and Sealants: Incorporated into formulations for industrial adhesives and sealants where strong adhesion and flexibility are required.
• Decorative Paints: Used in architectural paints and decorative coatings that require a balance of aesthetic appeal and long-term performance.

Basic Information

Product Name	Tung Oil/ Rosin/ Maleic Anhydride/ Glycerol Alkyd Resin
CAS No.	68910-65-6
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Varies by formulation (Contact for details)
Synonyms	Maleated Tung Oil Rosin Glycerol Ester; Alkyd Resin from Tung Oil, Rosin, Maleic Anhydride, and Glycerol; Modified Tung Oil Alkyd; Rosin-Modified Alkyd Resin; Tung Oil Maleic Resin; Glycerol Ester of Maleated Rosin and Tung Oil; Fast-Dry Modified Alkyd; 68910-65-6
EINECS	Contact for details

Quality Control

Our Tung Oil/ Rosin/ Maleic Anhydride/ Glycerol Alkyd Resin is manufactured under a stringent quality management system. Each batch undergoes rigorous testing for critical parameters including acid value, viscosity, color, and solids content to ensure consistent performance and batch-to-batch reliability. 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, well-ventilated area at room temperature (15-25°C). This product is light-sensitive and should be stored away from direct light. As it can be easily oxidized, prolonged storage should be under an inert atmosphere such as nitrogen for optimal shelf life. Keep away from heat sources and open flames.

Specification

Item	Specification
Appearance	Viscous, clear to pale yellow liquid
Acid Value (mg KOH/g)	≤ 15
Viscosity (Gardner-Holdt, 25°C)	Z2 - Z5
Color (Gardner)	≤ 6
Non-Volatile Matter (%)	70 ± 2
Solvent	Mineral spirits / Xylene blend
Drying Time (Tack-free, hours)	≤ 4

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