Description

Cresol-Formaldehyde Resin is a synthetic phenolic resin produced by the condensation reaction of cresol isomers with formaldehyde. This thermosetting polymer is valued for its excellent heat resistance, chemical stability, and strong adhesive properties, making it a critical component in high-performance industrial formulations. It is primarily utilized in the production of advanced composites, friction materials, and as a modifying agent for rubber and epoxy systems to enhance durability and thermal performance.

Application

• Friction Material Binder: A key phenolic resin binder in brake pads, clutch facings, and other automotive friction components, providing thermal stability and wear resistance.
• Rubber Tackifier and Reinforcer: Used to improve the green strength, tack, and modulus of rubber compounds in tire manufacturing and industrial rubber goods.
• Epoxy Modifier: Incorporated into epoxy resin formulations to enhance heat resistance, chemical resistance, and mechanical properties for coatings, adhesives, and laminates.
• Foundry Sand Binder: Serves as a core and mold binder in the metal casting industry, offering good hot strength and breakdown properties.
• Abrasive Wheel Binder: Acts as a bonding agent in grinding wheels and abrasive tools, contributing to their structural integrity and cutting performance.
• Wood Adhesive: Used in the formulation of specialty wood adhesives and laminates where water and heat resistance are required.
• Electrical Insulation: Employed in the production of composite materials for electrical insulation applications due to its dielectric properties.
• Oilfield Additive: Functions as a fluid loss control additive and strengthening agent in drilling mud formulations.

Basic Information

Product Name	Cresol-Formaldehyde Resin
CAS No.	68003-26-9
Molecular Formula	(C7H8O·CH2O)n
Molecular Weight	Variable polymer
Synonyms	p-Cresol-formaldehyde resin; Cresol formaldehyde polymer; Phenol, methyl-, polymer with formaldehyde; Para-cresol formaldehyde resin; CF Resin; Novolac-type cresol resin; Cresylic formaldehyde resin; Poly(cresol-co-formaldehyde)
EINECS	Contact for details

Quality Control

Our Cresol-Formaldehyde Resin is manufactured under strict process controls to ensure batch-to-batch consistency and performance reliability. Quality is verified through a series of tests including softening point, melt viscosity, free phenol content, and hexamine tolerance. A Certificate of Analysis (COA) detailing specific results for each parameter is provided with every shipment. Our quality management system adheres to ISO 9001 standards, and we support compliance with REACH and other global regulatory frameworks.

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 heat sources, open flames, and incompatible materials such as strong oxidizers. The product has a limited shelf life; first-in-first-out (FIFO) inventory practice is recommended.

Specification

Item	Specification
Appearance	Yellow to brown flakes or lumps
Softening Point (Ring & Ball)	80 - 110 °C
Melt Viscosity (at 150°C)	100 - 5000 mPa·s
Free Phenol Content	< 1.0 %
Free Formaldehyde Content	< 0.1 %
Hexamine Tolerance	Contact for details
Gel Time (at 150°C)	Contact for details

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