Description

Fatty Acids, C18-Unsatd, Dimers, Polymers With Bisphenol A, Dehydrated Castor-Oil Fatty Acids And Epichlorohydrin is a specialized polymeric resin derived from unsaturated C18 fatty acid dimers, bisphenol A, and dehydrated castor oil fatty acids, cross-linked with epichlorohydrin. This compound is engineered to deliver exceptional thermal stability, chemical resistance, and adhesion properties, making it a critical performance additive. It is primarily utilized in the formulation of high-performance industrial coatings, adhesives, and composite materials where durability under harsh conditions is paramount.

Application

• High-Performance Industrial Coatings: Serves as a key resin binder in epoxy-based coatings for marine, automotive, and industrial equipment, providing excellent corrosion and chemical resistance.
• Structural Adhesives & Sealants: Used as a toughening agent and flexibilizer in epoxy adhesives for aerospace, automotive, and construction applications.
• Composite Materials: Acts as a matrix resin or modifier in fiber-reinforced plastics (FRP) and electrical laminates to enhance mechanical strength and thermal properties.
• Electrical Insulation Varnishes: Incorporated into insulating varnishes and encapsulants for motors, transformers, and electronic components.
• Printing Inks: Utilized in specialty ink formulations to improve adhesion, gloss, and resistance properties on challenging substrates.
• Foundry Resins: Employed as a component in binder systems for sand casting in metalworking industries.

Basic Information

Product Name	Fatty Acids, C18-Unsatd, Dimers, Polymers With Bisphenol A, Dehydrated Castor-Oil Fatty Acids And Epichlorohydrin
CAS No.	66070-78-8
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Varies by polymer chain length (Contact for details)
Synonyms	Epoxy resin, fatty acid modified; Dimer acid/Bisphenol A/Epichlorohydrin polymer; Epoxy resin based on dehydrated castor oil fatty acids; C18 unsaturated fatty acid dimer epoxy resin; BPA-epichlorohydrin-dimer fatty acid copolymer; Polymeric epoxy flexibilizer; Epoxy adduct of dimerized fatty acids and bisphenol A; Dimer acid epoxy resin.
EINECS	Contact for details

Quality Control

Our production of this advanced epoxy resin adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as epoxy equivalent weight (EEW), viscosity, color, and acid value are rigorously monitored. Certificates of Analysis (COA) documenting these specifications are provided with every shipment. We support compliance with relevant global regulatory frameworks, including REACH.

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/59-77°F). Keep away from strong alkalis and incompatible organic solvents. The product has a recommended shelf life; use on a first-in, first-out (FIFO) basis.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 6
Epoxy Equivalent Weight (EEW)	300 - 600 g/eq
Viscosity (at 25°C)	5,000 - 50,000 mPa·s
Acid Value	≤ 2.0 mg KOH/g
Hydrolyzable Chloride	≤ 1000 ppm
Non-Volatile Matter	≥ 99.0 %

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