Description

Formaldehyde, Polymer With 1,3-Benzenediol And Ethenylbenzene is a specialized phenolic resin polymer, synthesized from formaldehyde, resorcinol (1,3-benzenediol), and styrene (ethenylbenzene). This engineered copolymer is valued for its enhanced thermal stability and tailored adhesive properties compared to standard phenolic resins. It serves as a critical performance additive in the production of high-strength adhesives, durable molding compounds, and advanced composite materials for the automotive, aerospace, and construction industries.

Application

• High-Performance Adhesives: A key binder in structural adhesives and laminates for wood, metal, and composite bonding.
• Reinforced Molding Compounds: Used in phenolic molding compounds for electrical components, automotive parts, and appliance handles requiring heat resistance.
• Friction Materials: An essential resin component in brake pads and clutch facings, providing thermal stability and wear resistance.
• Foundry Binders: Serves as a core and mold binder in metal casting processes.
• Composite Matrices: Acts as a matrix resin in fiber-reinforced composites for industrial and aerospace applications.
• Abrasive Products: Used as a bonding agent in grinding wheels and coated abrasives.
• Surface Coatings: Imparts durability and chemical resistance in industrial protective coatings.
• Rubber Reinforcement: Functions as a reinforcing resin in rubber compounds to improve modulus and hardness.

Basic Information

Item	Details
Product Name	Formaldehyde, Polymer With 1,3-Benzenediol And Ethenylbenzene
CAS No.	135020-80-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Phenol-Formaldehyde Resin, Modified with Resorcinol and Styrene; Resorcinol-Styrene Modified Phenolic Resin; Phenolic Resin, polymer with resorcinol and styrene; Styrenated Resorcinol-Formaldehyde Resin; RF-Styrene Copolymer; Thermosetting Phenolic Copolymer; Adhesive Resin CAS 135020-80-3; Binder Resin for Friction Materials
EINECS	Contact for details

Quality Control

Our production of Formaldehyde, Polymer With 1,3-Benzenediol And Ethenylbenzene adheres to stringent quality management protocols. Each batch is tested to ensure consistent performance in key parameters such as gel time, resin flow, and thermal properties. Certificates of Analysis (COA) documenting lot-specific results 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, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. This product has a defined shelf life; use on a first-in, first-out (FIFO) basis.

Specification

Item	Specification
Appearance	Brown to dark brown solid or flakes
Identification (IR)	Conforms to standard
Softening Point (Ring & Ball)	Contact for details
Gel Time (at 150°C)	Contact for details
Hexamine Content	Contact for details
Free Formaldehyde	< 0.5%
Volatile Content	< 3.0%
Ash Content	< 0.5%

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