Description

Formaldehyde, Polymer With 1,3-Dimethylbenzene Andphenol is a specialized phenolic resin copolymer, synthesized from formaldehyde, m-xylene (1,3-dimethylbenzene), and phenol. This engineered polymer offers enhanced thermal stability and chemical resistance compared to standard phenol-formaldehyde resins, making it a critical material for demanding industrial applications. It is primarily utilized in the production of high-performance adhesives, molding compounds, and coatings for the automotive, aerospace, and electronics industries.

Application

• High-Temperature Adhesives & Binders: Used as a binder in friction materials (brake pads, clutch facings) and foundry sands due to its thermal stability.
• Advanced Molding Compounds: A key resin component for phenolic molding compounds requiring improved heat resistance and dimensional stability for electrical and automotive components.
• Protective & Insulating Coatings: Formulated into coatings and varnishes that provide excellent chemical and corrosion resistance for industrial equipment.
• Composite Materials: Serves as a matrix resin in fiber-reinforced composites for applications in aerospace and transportation.
• Ablative Materials: Used in formulations for heat shields and other components that must withstand extreme temperatures.
• Industrial Laminates: Employed in the manufacture of laminated sheets for electrical insulation (e.g., circuit boards) and decorative surfaces.

Basic Information

Product Name	Formaldehyde, Polymer With 1,3-Dimethylbenzene Andphenol
CAS No.	29661-89-0
Molecular Formula	(C8H10·CH2O·C6H6O)x
Molecular Weight	Polymer - No fixed MW
Synonyms	Phenol, polymer with formaldehyde and 1,3-dimethylbenzene; m-Xylene-Phenol-Formaldehyde Resin; Xylene-modified Phenolic Resin; Phenol-m-Xylene-Formaldehyde Copolymer; PF-X Resin; Thermosetting Phenolic Copolymer; MXP Resin; Phenol-Formaldehyde-m-Xylene Terpolymer
EINECS	Contact for details

Quality Control

Our production of Formaldehyde, Polymer With 1,3-Dimethylbenzene Andphenol adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for critical parameters including gel time, melt viscosity, residual monomer content, and thermal properties. A comprehensive Certificate of Analysis (COA) detailing these specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 and incompatible materials such as strong oxidizers. The product may be hygroscopic; ensure containers are sealed after each use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Yellow to brown solid flakes or powder
Identification (IR)	Conforms to structure
Softening Point (Ring & Ball)	85 - 105 °C
Gel Time (at 150°C)	60 - 120 seconds
Melt Viscosity	Contact for details
Free Phenol Content	< 1.0 %
Free Formaldehyde Content	< 0.3 %
Volatile Content	< 2.0 %

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