Description

Phenol, 4,4-Methylenebis-, Polymer With (Chloromethyl)Oxirane is a high-performance, cross-linked epoxy phenolic resin, known for its exceptional thermal stability and chemical resistance. This specialized polymer is engineered to deliver superior performance in demanding environments where standard resins may fail. It is a critical raw material for manufacturers in the coatings, adhesives, and advanced composite industries seeking to enhance product durability and longevity.

Application

• High-Temperature Coatings: Formulation of industrial and automotive coatings requiring excellent thermal stability and corrosion resistance.
• Advanced Composites: Used as a matrix resin for fiber-reinforced plastics (FRP) in aerospace, automotive, and sporting goods.
• Electrical Laminates: Production of printed circuit board (PCB) substrates and electrical insulating varnishes.
• Adhesives & Sealants: Key component in structural adhesives for metal-to-metal bonding and high-performance sealants.
• Molding Compounds: Base resin for compression and transfer molding compounds used in electrical and mechanical components.
• Chemical-Resistant Linings: Formulation of tank linings and protective coatings for chemical processing equipment.

Basic Information

Product Name	Phenol, 4,4-Methylenebis-, Polymer With (Chloromethyl)Oxirane
CAS No.	42423-25-6
Molecular Formula	(C13H12O2·C3H5ClO)n
Molecular Weight	Polymer - Contact for details
Synonyms	Epoxy Novolac Resin; Phenol-Formaldehyde, Polymer with (Chloromethyl)oxirane; 4,4'-Methylenebis(phenol)-epichlorohydrin Resin; Epoxy Phenolic Novolac; Bisphenol F Epoxy Resin; Novolac Epoxy Resin; Poly[(phenyl glycidyl ether)-co-formaldehyde]; EPN Resin
EINECS	Contact for details

Quality Control

Our Epoxy Novolac Resin is manufactured under a stringent quality management system. Each batch is tested to ensure consistent performance characteristics such as epoxy equivalent weight (EEW), viscosity, and thermal properties. Certificates of Analysis (COA) documenting these specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong alkalis and incompatible organic solvents. The material has a defined shelf life; refer to the specific product label or technical data sheet for expiration dating.

Specification

Item	Specification
Appearance	Yellow to amber solid or viscous liquid
Epoxy Equivalent Weight (EEW)	165 - 180 g/eq (Typical)
Viscosity (at 25°C)	10,000 - 25,000 mPa·s (Typical)
Softening Point	35 - 50 °C (Typical)
Color (Gardner)	≤ 5
Hydrolyzable Chloride	≤ 500 ppm
Volatile Content	≤ 1.0 %

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