Description

Castor Oil, Polymer With Fumaric Acid, Glycerol, Phthalic Anhydride And Rosin is a specialized alkyd resin derived from the polycondensation of castor oil with key monomers. This compound matters for its unique combination of flexibility, adhesion, and chemical resistance, making it a versatile polymeric backbone. Industrial manufacturers in the coatings, adhesives, and ink sectors need this resin to formulate high-performance products with enhanced durability and specific rheological properties.

Application

• Industrial Coatings Binder: Used as a primary resin in air-drying and baking enamels for metal, wood, and plastic substrates, providing excellent gloss and adhesion.
• Printing Ink Vehicle: Serves as a key component in lithographic and gravure inks, contributing to pigment wetting, gloss, and printability.
• Adhesive & Sealant Formulation: Acts as a tackifying and flexibilizing agent in pressure-sensitive adhesives and mastic sealants.
• Modifier for Other Polymers: Employed to improve the flexibility and impact resistance of more rigid resin systems.
• Primer Coatings: Formulated into corrosion-resistant primers for automotive and industrial maintenance applications.
• Specialty Varnishes: Used in the production of high-gloss, protective varnishes for decorative and functional finishes.

Basic Information

Product Name	Castor Oil, Polymer With Fumaric Acid, Glycerol, Phthalic Anhydride And Rosin
CAS No.	67700-80-5
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Variable (Polymer)
Synonyms	Rosin-modified castor oil alkyd; Castor oil-fumaric acid-glycerol-phthalic anhydride-rosin copolymer; Alkyd resin from castor oil, fumaric acid, glycerol, phthalic anhydride, and rosin; Modified alkyd resin; Fumarated castor oil alkyd resin; Rosin-modified alkyd; Polymeric plasticizer resin; Ester gum modified alkyd
EINECS	Contact for details

Quality Control

Our Castor Oil, Polymer With Fumaric Acid, Glycerol, Phthalic Anhydride And Rosin is manufactured under a strict quality management system. Each batch undergoes rigorous testing for key parameters such as acid value, viscosity, color, and solids content to ensure batch-to-batch consistency and performance. 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 away from strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep away from heat sources and open flame.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 12
Acid Value (mg KOH/g)	≤ 20
Viscosity (Gardner-Holdt)	Z2 - Z6
Solids Content (%)	60 - 70
Identification (IR)	Conforms to structure

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