Description

Bisphenol A Diglycidyl Ether Resin is a fundamental epoxy prepolymer and a key building block in the formulation of high-performance thermosetting polymers. This versatile resin provides excellent adhesion, chemical resistance, and mechanical strength to cured epoxy systems, making it indispensable for creating durable composite materials and protective coatings. It is a critical raw material for manufacturers in the composites, adhesives, electronics, and protective coatings industries seeking reliable and consistent performance.

Application

• Epoxy Adhesives & Sealants: A primary component in high-strength structural adhesives for aerospace, automotive, and construction applications.
• Protective & Decorative Coatings: Used in formulating industrial, marine, and floor coatings that require exceptional chemical and corrosion resistance.
• Composite Materials: Serves as the matrix resin for fiber-reinforced plastics (FRP) in wind turbine blades, automotive parts, and sporting goods.
• Electrical & Electronic Encapsulation: Employed in potting compounds, encapsulants, and printed circuit board laminates for insulation and protection.
• Civil Engineering & Construction: Key ingredient in grouts, mortars, and repair compounds for concrete and infrastructure.
• Tooling and Molding: Used to produce durable molds, patterns, and fixtures in various manufacturing processes.

Basic Information

Product Name	Bisphenol A Diglycidyl Ether Resin
CAS No.	25068-38-6
Molecular Formula	C21H24O4
Molecular Weight	340.41 g/mol
Synonyms	DGEBA; Bisphenol A Epichlorohydrin Resin; Epoxy Resin (based on Bisphenol A); BADGE; Bisphenol A-based Epoxy Resin; 2,2-Bis[4-(2,3-epoxypropoxy)phenyl]propane; Bisphenol A Diglycidyl Ether; Bisphenol A Epoxy; Epon 828 Type Resin (generic)
EINECS	246-562-1

Quality Control

Our Bisphenol A Diglycidyl Ether Resin is manufactured under a stringent quality management system. Each batch is tested against rigorous internal specifications to ensure consistency in epoxy equivalent weight (EEW), viscosity, color, and hydrolyzable chloride content, which are critical for predictable curing behavior and final product performance. A comprehensive Certificate of Analysis (COA) documenting these parameters is provided with every shipment.

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 strong alkalis and incompatible materials. Under recommended storage conditions, the product has a typical shelf life of 12-24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear, pale yellow viscous liquid
Epoxy Equivalent Weight (EEW)	185 - 192 g/eq
Viscosity (at 25°C)	11,000 - 14,000 mPa·s
Color (Gardner)	≤ 2
Hydrolyzable Chloride	≤ 0.1 %
Weight per Epoxide (WPE)	185 - 192

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