LE - Linen Phenolic, Electrical

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Key Characteristics of Electrical-Grade Linen Phenolic (LE)

Electrical Grade Linen Phenolic (LE) is a high-performance composite material offering exceptional mechanical and electrical insulating properties. Its fine linen reinforcement provides a smooth finish, ideal for precision machining of intricate components.

 

LE’s excellent machinability enables the creation of detailed parts like terminal boards, bushings, and switchgear components. Its superior electrical insulation and high dielectric strength make it a trusted choice for demanding applications.

 

Durable and lightweight, LE maintains dimensional stability and tight tolerances. With heat resistance up to 250°F (121°C) and low moisture absorption, it performs reliably in humid environments and under challenging conditions.

How It's Used: Industry Applications of LE:

Explore how electrical grade linen phenolic (LE) is used across industries:

 

Electrical Insulators: LE excels in applications requiring high electrical insulation, making it ideal for terminal boards, switchgear, and insulating bushings.

 

Machined Components: Its fine linen reinforcement and smooth surface finish make it perfect for machining small, intricate parts like spacers and washers.

 

Threaded Fasteners: LE's fine fabric structure allows for precise threading, making it suitable for threaded components used in electrical assemblies.

 

Mechanical Parts: Durable and lightweight, LE is often chosen for parts like small gears and cams that require dimensional stability.

 

Custom Fabricated Pieces: The material’s versatility supports a range of custom-fabricated components for specialized applications in electrical and mechanical systems.

 

Technical Specifications

Explore the mechanical, chemical and structural properties of electrical-grade Linen Phenolic (LE)

Military/Fed Spec: Mil-1-24768/13 Type FBE
Specific Gravity: 1.34
Tensile Strength (psi): 13,000
Comp. Strength: 36,000
Flexural Strength (psi): 18,000
Hardness, M Scale: 100
Bond Strength: 1,900
Shear Strength (psi): 13,500

Dissipation Factor, 10 cycles, Cond A: 0.065
Dielectric Constant 10 cycles, Cond A: 5.70
Electric Strength V/MIL Cond A: 625
Flammability Rating: 94HB
Max. Oper. Temp C/F: 125/257
Coeff. Thermal Exp. IN/IN/C x 10-5: 1.80
Water Absorption %-24 hrs: 1.90
Izod Impact Strength (ft/lb/in) @ 49 C: 1.35