Phenolic Resin

A Versatile High-Performance Material

Phenolic resin, derived from the reaction between phenol and formaldehyde, is renowned for its exceptional mechanical strength, dimensional stability, and superior thermal stability. This thermosetting resin offers outstanding resistance to electricity, solvents, and acids, making it highly versatile. As a result, phenolic resin is widely used in manufacturing molding compounds, electronic packaging materials, laminating sheets, surface polishing compounds, bonding agents, impregnation processes, casting resins, and other industrial applications.

Key Characteristics

Property	Description
Appearance	Dark brown to reddish-brown solid or powder with smooth, uniform texture
Mechanical Strength	High durability and excellent resistance to wear and tear
Thermal Stability	Maintains dimensional integrity under high temperatures
Chemical Resistance	Resistant to solvents, acids, and electrical conductivity
Adhesion	Strong bonding capabilities for molding and laminating applications

Applications

Decorative Laminate

Used as a binder in decorative laminates, offering superior thermal stability, mechanical strength, and moisture resistance.

Friction Material

Phenolic resin serves as a key binder in brake pads and clutch facings, ensuring excellent heat resistance, wear resistance, and dimensional stability.

Molding Material

Widely used as a thermosetting resin in compression and injection molding, providing exceptional strength and heat resistance in finished products.

Abrasive Tools

Acts as a binder in grinding wheels and abrasive tools, offering uniform dispersion, high bonding strength, and for precise finishing.

More Applications

Thermal Insulation

Refractories

Casting

Insulating varnishes

Circuit boards

Adhesives and sealants

Specifications

Specification	Typical Range / Value
Appearance	Dark brown to reddish-brown solid or powder
Moisture Content	≤ 1.5%
Molecular Weight	800 - 1500 (depending on type)
Softening Point	90°C - 130°C
Viscosity (Brookfield)	500 - 3000 mPa·s (varies by grade)
PH Value	4.5 - 6.5
Ash Content	≤ 0.5%
Density	~1.2 - 1.3 g/cm³

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