Description

Castor Oil, Polymer With Benzoic Acid, Isophthalic Acid, Trimellitic Anhydride And Trimethylolethane is a specialized alkyd resin derived from castor oil, modified with a blend of aromatic acids and polyols. This engineered polymer is valued for its ability to impart excellent flexibility, adhesion, and chemical resistance to final coatings and adhesives. It is a critical raw material for formulators in the industrial coatings, specialty adhesives, and advanced composite materials sectors seeking to enhance product durability and performance.

Application

• As a primary resin or modifier in high-performance industrial coatings, including coil coatings, can coatings, and appliance finishes.
• Formulation of flexible and chemically resistant adhesives and sealants for automotive and construction applications.
• Production of specialty inks requiring good adhesion to flexible substrates and resistance to chemicals.
• Manufacture of electrical insulation varnishes and potting compounds due to its good dielectric properties and thermal stability.
• As a plasticizer and compatibilizer in polymer blends to improve flexibility and processing characteristics.
• Component in corrosion-resistant primer coatings for metal protection.

Basic Information

Product Name	Castor Oil, Polymer With Benzoic Acid, Isophthalic Acid, Trimellitic Anhydride And Trimethylolethane
CAS No.	68154-17-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Castor oil alkyd resin; Benzoic acid, isophthalic acid, trimellitic anhydride, trimethylolethane polymer with castor oil; Alkyd resin based on castor oil; Modified castor oil alkyd; Polyester resin from castor oil; Trimethylolethane ester of castor oil, benzoic acid, isophthalic acid and trimellitic anhydride polymer; Castor oil modified aromatic acid polyester
EINECS	Contact for details

Quality Control

Our production of this alkyd resin adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as acid value, viscosity, solids content, and color are rigorously tested against internal specifications. A Certificate of Analysis (COA) detailing these results is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from heat sources and open flame. Under recommended storage conditions, the product is stable for a minimum of 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 6
Acid Value (mg KOH/g)	≤ 10
Viscosity (Gardner-Holdt)	Z2 - Z6
Solids Content (%)	60 - 70 (in specified solvent)
Identification (IR)	Conforms

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