Description

Castor Oil, Polymer With Benzoic Acid, Phthalic Anhydride And Trimethylolethane is a specialized alkyd resin derived from the polycondensation of castor oil with key aromatic and polyol components. This engineered polymer is valued for its excellent film-forming properties, adhesion, and chemical resistance, making it a critical raw material for high-performance coatings. It is primarily sought by formulators in the industrial paints, protective coatings, and specialty adhesives sectors seeking to enhance durability and finish quality.

Application

• As a primary resin binder in high-gloss industrial and maintenance paints.
• In the formulation of protective coatings for metal substrates, offering enhanced corrosion resistance.
• As a key component in specialty alkyd-based varnishes and wood finishes.
• For manufacturing high-performance adhesives and sealants requiring strong adhesion and flexibility.
• In the production of printing inks, contributing to gloss and rub resistance.
• As a modifier in coil coatings and other fast-curing industrial coating systems.

Basic Information

Product Name	Castor Oil, Polymer With Benzoic Acid, Phthalic Anhydride And Trimethylolethane
CAS No.	68409-89-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Alkyd resin based on castor oil, benzoic acid, phthalic anhydride and trimethylolethane; Castor oil alkyd resin; Benzoic acid, polymer with castor oil, phthalic anhydride and trimethylolethane; Trimethylolethane-castor oil-phthalic anhydride-benzoic acid polymer; Phthalic anhydride-benzoic acid-trimethylolethane-castor oil polymer; Coating alkyd resin; Polyester resin modified with castor oil
EINECS	Contact for details

Quality Control

Our Castor Oil, Polymer With Benzoic Acid, Phthalic Anhydride And Trimethylolethane is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance in your formulations, including checks for viscosity, acid value, and solids content. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flames. Ensure containers are kept tightly sealed when not in use to prevent skin formation and maintain product integrity.

Specification

Item	Specification
Appearance	Viscous liquid
Color (Gardner)	≤ 6
Solids Content	70 ± 2 %
Viscosity (at 25°C)	Z2 - Z4
Acid Value	≤ 10 mg KOH/g
Drying Time (Tack-free)	≤ 4 hours

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