Description

Formaldehyde, Polymer With 4,4-(1-Methylethylidene)Bisphenol is a high-performance phenolic resin, specifically a phenol-formaldehyde resin, known for its excellent thermal stability and mechanical properties. This polymer is a critical intermediate in the production of durable, heat-resistant materials for demanding industrial applications. It is essential for manufacturers in the adhesive, coating, composite, and electronics sectors seeking reliable, high-quality raw materials for advanced material formulations.

Application

• Adhesive Formulations: A key binder in high-strength, heat-resistant adhesives for automotive, aerospace, and wood composite industries.
• Protective Coatings: Used in the synthesis of phenolic resins for corrosion-resistant and high-temperature protective coatings.
• Composite Materials: Serves as a matrix resin for fiber-reinforced plastics (FRP) and friction materials like brake linings and clutch facings.
• Molding Compounds: A vital component in the production of thermosetting molding powders for electrical components and appliance handles.
• Foundry Binders: Employed as a sand binder in shell molding and core-making processes within the metal casting industry.
• Laminates: Used in the manufacture of industrial laminates for printed circuit boards (PCBs) and decorative surfaces.
• Encapsulation: For the potting and encapsulation of electronic components requiring thermal and chemical resistance.
• Industrial Abrasives: Acts as a bonding agent in the production of grinding wheels and abrasive tools.

Basic Information

Product Name	Formaldehyde, Polymer With 4,4-(1-Methylethylidene)Bisphenol
CAS No.	25085-75-0
Molecular Formula	(C15H16O2·CH2O)n
Molecular Weight	Polymeric substance
Synonyms	Phenol-Formaldehyde Resin; Phenolic Resin; Novolac Resin; Poly(oxy-1,4-phenylenemethyl-1,4-phenyleneoxy-1,4-phenylenepropane-2,2-diyl-1,4-phenylene); Bisphenol A-Formaldehyde Polymer; Bisphenol A Novolac; 4,4'-Isopropylidenediphenol-Formaldehyde Resin; PF Resin
EINECS	Contact for details

Quality Control

Our phenolic resin products are manufactured under strict quality management systems to ensure batch-to-batch consistency and performance. Quality is verified through a series of analytical tests including gel time, melt viscosity, softening point, and free phenol content. Certificates of Analysis (COA) detailing all relevant specifications are provided with each shipment to guarantee compliance with your technical requirements.

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. This product is hygroscopic (moisture-sensitive); ensure containers are sealed after each use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Yellow to brown flakes or powder
Softening Point (Ring & Ball)	80 - 110 °C
Gel Time (at 150°C)	40 - 120 seconds
Free Phenol Content	< 1.0 %
Hexamine Tolerance	Contact for details
Melt Viscosity	Specification available upon request

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