Description

Linseed Oil, Polymer With Isophthalic Acid And Trimethylolpropane is a specialized alkyd resin derived from natural linseed oil, modified with isophthalic acid and trimethylolpropane. This chemical synthesis creates a high-performance polymer valued for its excellent durability, adhesion, and flexibility in formulated coatings. It is a critical raw material for manufacturers in the protective coatings, industrial paints, and specialty inks sectors seeking to enhance product performance with a bio-based component.

Application

• Protective & Industrial Coatings: Used as a primary resin in high-durability alkyd paints for machinery, agricultural equipment, and structural steel, providing excellent weather resistance and gloss retention.
• Architectural Paints & Varnishes: Serves as a key component in interior and exterior house paints, stains, and wood varnishes, offering good brushing properties and a tough, flexible film.
• Printing Inks: Employed in the formulation of oxidative-drying inks for packaging and publications, contributing to rapid setting and a hard, rub-resistant finish.
• Corrosion Inhibitive Primers: Acts as a film-forming agent in primers for metal substrates, enhancing adhesion and providing a robust base for topcoats.
• Marine & Yacht Finishes: Utilized in marine coatings due to its good water resistance and ability to withstand harsh environmental conditions.
• Adhesives & Sealants: Functions as a tackifier and binder in certain adhesive and caulk formulations, improving cohesion and elasticity.

Basic Information

Product Name	Linseed Oil, Polymer With Isophthalic Acid And Trimethylolpropane
CAS No.	67700-81-6
Molecular Formula	Complex Polymer (CnHmOp)
Molecular Weight	Varies (Polymer)
Synonyms	Alkyd Resin, Linseed Oil Modified; Isophthalic Alkyd Resin; TMP-Modified Linseed Oil Alkyd; Linseed Oil Isophthalic Alkyd; Drying Oil Alkyd Resin; Long Oil Isophthalic Alkyd; Polymerized Linseed Oil Alkyd; Paint Resin 67700-81-6
EINECS	Contact for details

Quality Control

Our Linseed Oil, Polymer With Isophthalic Acid And Trimethylolpropane is manufactured under a strict quality management system. Each batch undergoes rigorous testing for key parameters including acid value, viscosity, color, and solids content to ensure batch-to-batch consistency and performance in your formulations. 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, well-ventilated area away from strong alkali and organic solvents. Ideal storage temperature is between 15°C and 25°C (59°F - 77°F). Keep containers tightly sealed when not in use to prevent skinning and oxidation.

Specification

Item	Specification
Appearance	Viscous liquid, clear to slightly hazy
Color (Gardner)	≤ 8
Acid Value (mg KOH/g)	≤ 10
Viscosity (Gardner-Holdt)	Z2 - Z4
Non-Volatile Matter (%)	70 ± 2
Solvent (Typical)	Mineral Spirits / White Spirit
Drying Time (Set-to-touch)	≤ 4 hours

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