Description

Castor Oil, Dehydrated, Polymer With Glycerol, Phthalic Anhydride And Trimethylolethane is a specialized alkyd resin derived from modified castor oil. This polymer is engineered to offer a unique balance of flexibility, adhesion, and chemical resistance for high-performance coating formulations. It is a critical raw material for manufacturers in the industrial coatings, adhesives, and specialty polymers sectors seeking bio-based or enhanced-performance resin components.

Application

• Industrial Coatings: Used as a primary resin or modifier in air-drying and baking enamels, providing excellent gloss and durability.
• Corrosion-Resistant Paints: Formulated into primers and topcoats for metal substrates, including machinery, agricultural equipment, and structural steel.
• Adhesives and Sealants: Acts as a tackifier and flexibilizer in high-strength adhesive systems and elastic sealants.
• Printing Inks: Serves as a binder in specialty printing inks, contributing to film formation and substrate adhesion.
• Electrical Insulation Varnishes: Utilized in wire enamel and insulating varnishes due to its good dielectric properties and thermal stability.
• Plasticizers and Modifiers: Incorporated into other polymer systems to improve impact resistance and flexibility.

Basic Information

Product Name	Castor Oil, Dehydrated, Polymer With Glycerol, Phthalic Anhydride And Trimethylolethane
CAS No.	120989-66-4
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Variable (Contact for details)
Synonyms	Dehydrated Castor Oil Alkyd Resin; DCO Alkyd Resin; Alkyd resin from dehydrated castor oil, glycerol, phthalic anhydride and trimethylolethane; Trimethylolethane alkyd resin; TME alkyd; Polyester resin based on dehydrated castor oil; 120989-66-4; Dehydrated castor oil - glycerol - phthalic anhydride - trimethylolethane polymer
EINECS	Contact for details

Quality Control

Our Castor Oil, Dehydrated, Polymer is manufactured under a stringent quality management system. Each batch is tested against key parameters including acid value, viscosity, color, and solids content to ensure consistent performance and batch-to-batch uniformity. 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/59-77°F). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat sources and open flames. For long-term storage, consider purging the headspace with an inert gas such as nitrogen.

Specification

Item	Specification
Appearance	Viscous liquid, clear to slightly hazy
Color (Gardner)	≤ 6
Acid Value (mg KOH/g)	≤ 10
Viscosity (Gardner-Holdt)	Z2 - Z5
Solids Content (%)	70 ± 2
Identification (IR)	Conforms

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