Description

Castor Oil, Dehydrated, Polymer With Glycerol, Phthalic Anhydride And Styrene is a specialized alkyd resin derived from renewable castor oil, offering a unique combination of flexibility, adhesion, and chemical resistance. This modified polymer is engineered to provide superior performance in demanding coating and adhesive formulations where traditional resins may fall short. It is an essential raw material for manufacturers in the industrial coatings, specialty adhesives, and advanced composite sectors seeking sustainable and high-performance binder solutions.

Application

• Industrial & Protective Coatings: Used as a primary resin or modifier in air-drying and baking enamels for machinery, agricultural equipment, and metal substrates, providing excellent durability and moisture resistance.
• Adhesives & Sealants: Serves as a key component in formulating high-strength structural adhesives, pressure-sensitive adhesives (PSAs), and flexible sealants, enhancing tack and bond strength.
• Printing Inks: Employed in the manufacture of specialty printing inks, including overprint varnishes and flexographic inks, contributing to gloss, rub resistance, and substrate adhesion.
• Composite Materials: Acts as a matrix resin or toughening agent in fiber-reinforced plastics (FRP) and other composite systems, improving impact resistance and interfacial bonding.
• Wood Finishes: Formulated into high-quality varnishes, lacquers, and wood stains, offering deep penetration, enhanced grain definition, and protection against weathering.
• Electrical Insulation: Utilized in potting compounds, impregnating resins, and insulating varnishes for electrical components due to its good dielectric properties and thermal stability.

Basic Information

Product Name	Castor Oil, Dehydrated, Polymer With Glycerol, Phthalic Anhydride And Styrene
CAS No.	68213-28-5
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Variable (Polymer)
Synonyms	Dehydrated Castor Oil Alkyd Resin; Styrenated Castor Oil Alkyd; Castor Oil Alkyd Modified with Styrene; DCO Alkyd Resin; Alkyd Resin from Castor Oil, Glycerol, Phthalic Anhydride and Styrene; Styrenated DCO Alkyd; Polymeric Alkyd Resin CAS 68213-28-5; Modified Alkyd Resin for Coatings
EINECS	Contact for details

Quality Control

Our production of Castor Oil, Dehydrated, Polymer With Glycerol, Phthalic Anhydride And Styrene adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for critical parameters including acid value, viscosity, solids content, and color to meet precise customer specifications. Certificates of Analysis (COA) documenting these results are provided and can be tailored to support compliance with relevant industry standards for coatings and polymers.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). Keep away from strong acids and organic solvents. Under these conditions, the product maintains optimal stability. For long-term storage exceeding 12 months, evaluation of key properties is recommended prior to use.

Specification

Item	Specification
Appearance	Viscous liquid, clear to slightly hazy
Color (Gardner)	≤ 8
Acid Value (mg KOH/g)	≤ 10
Viscosity (Gardner-Holdt)	Z2 - Z5
Solids Content (%)	60 - 70
Identification (IR)	Conforms to standard

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