Description

Soya Oil, Isophthalic Acid, Trimethylolpropane Resin is a specialized alkyd resin synthesized from renewable soya oil, isophthalic acid, and trimethylolpropane. This formulation is engineered to provide an excellent balance of flexibility, chemical resistance, and faster drying times compared to traditional phthalic anhydride-based resins. It is a critical raw material for manufacturers seeking high-performance, sustainable coating solutions. Key industries that utilize this resin include industrial coatings, automotive finishes, and protective marine paints.

Application

• High-Performance Industrial Coatings: Used as a primary binder in finishes for machinery, agricultural equipment, and metal substrates requiring durability.
• Automotive Refinish and OEM Coatings: Provides excellent gloss retention, flexibility, and resistance to fuels and solvents in automotive paint systems.
• Marine and Protective Coatings: Formulated into anti-corrosive primers and topcoats for ships, offshore structures, and coastal installations due to its hydrolytic stability.
• Architectural and Decorative Paints: Enhances the flow, leveling, and yellowing resistance of high-quality trim and architectural enamels.
• Can and Coil Coatings: Employed in formulations that require excellent adhesion, formability, and resistance to chemicals and humidity.
• Wood Finishes and Varnishes: Used in furniture and flooring coatings for its good penetration, clarity, and rapid curing properties.

Basic Information

Product Name	Soya Oil, Isophthalic Acid, Trimethylolpropane Resin
CAS No.	67700-65-6
Molecular Formula	Complex polymer; Contact for details
Molecular Weight	Varies by grade; Contact for details
Synonyms	Alkyd resin, soy-based; Isophthalic alkyd resin; TMP-isophthalic alkyd; Soya alkyd resin; Trimethylolpropane isophthalate alkyd; Soybean oil modified alkyd; High-solid alkyd resin; IPA-TMP alkyd resin
EINECS	Contact for details

Quality Control

Our Soya Oil, Isophthalic Acid, Trimethylolpropane Resin is manufactured under a stringent quality management system. Each batch is tested against critical parameters such as acid value, viscosity, solids content, and color to ensure consistent performance in your formulations. Certificates of Analysis (COA) documenting these specifications are available upon request, providing full traceability and compliance assurance for your supply chain.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15-25°C (59-77°F). Keep away from heat sources and open flames. Under recommended conditions, the product has a typical shelf life of 12-24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Color (Gardner)	≤ 4
Acid Value (mg KOH/g)	≤ 10
Viscosity (Gardner-Holdt)	Z2 - Z5
Non-Volatile Matter (%)	70 ± 2
Solvent	Xylene / Aromatic 100

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