Description

Phenol, 2,2-Methylenebis-, Polymer With (Chloromethyl)Oxirane is a high-performance, cross-linked epoxy novolac resin, a key intermediate in the formulation of advanced thermoset polymers. This compound is engineered to deliver superior thermal stability, chemical resistance, and mechanical strength in demanding industrial applications. It is essential for manufacturers in the electronics, aerospace, and high-performance coatings sectors seeking reliable, high-purity raw materials for critical production processes.

Application

• High-Performance Coatings & Linings: Formulation of chemically resistant and high-temperature protective coatings for industrial equipment, pipelines, and marine applications.
• Electronic Encapsulation & Molding Compounds: Used as a base resin for semiconductor encapsulation, printed circuit board laminates, and electrical potting compounds due to its excellent dielectric properties and thermal endurance.
• Aerospace & Automotive Composites: Serves as a matrix resin for carbon fiber and fiberglass reinforced composites requiring exceptional strength-to-weight ratios and thermal performance.
• Adhesives & Sealants: Key component in structural adhesives and high-temperature sealants for bonding metals, ceramics, and other challenging substrates.
• Industrial Tooling & Molds: Used in the production of durable molds, fixtures, and tooling that must withstand repeated thermal cycling and mechanical stress.
• Fire-Retardant Materials: Incorporated into formulations where enhanced fire resistance and low smoke generation are critical requirements.

Basic Information

Product Name	Phenol, 2,2-Methylenebis-, Polymer With (Chloromethyl)Oxirane
CAS No.	55492-52-9
Molecular Formula	(C15H16O2·C3H5ClO)n
Molecular Weight	Polymeric substance (Contact for details)
Synonyms	Epoxy Novolac Resin; Phenol-Formaldehyde Novolac Epoxy Resin; Bisphenol F Epoxy Novolac; Poly[(phenyl glycidyl ether)-co-formaldehyde]; Epoxy Cresol Novolac Resin (related class); EPN; Novolac Epoxy; (Chloromethyl)oxirane polymer with 2,2'-methylenebisphenol
EINECS	Contact for details

Quality Control

Our Phenol, 2,2-Methylenebis-, Polymer With (Chloromethyl)Oxirane is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent epoxy equivalent weight (EEW), viscosity, and hydrolyzable chloride content, meeting the precise requirements of advanced polymer formulations. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

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 heat, sparks, and open flame. This product has a limited shelf life; store under inert atmosphere if specified for long-term storage and use on a first-in, first-out (FIFO) basis.

Specification

Item	Specification
Appearance	Yellow to amber solid or viscous liquid
Epoxy Equivalent Weight (EEW)	165 - 185 g/eq
Viscosity (at 25°C)	15,000 - 40,000 mPa·s
Hydrolyzable Chloride	≤ 0.1 %
Softening Point	40 - 60 °C
Color (Gardner)	≤ 5
Identification (IR)	Conforms

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