3240 Insulation Board Epoxy Phenolic Resin Suitable For Harsh Environments

Price Negotiable

Price: basing on size and quantity

MOQ: 1000kgs

Delivery Time: 30 working days

Product Description

3240 Insulation Board Epoxy Phenolic Resin

Product Overview

The 3240 Insulation Board is manufactured from alkali-free glass fiber cloth and epoxy phenolic resin, cured under high temperature and pressure. This construction delivers excellent electrical insulation and mechanical strength with a Class B thermal rating. Designed to perform reliably in demanding conditions including high temperature, humidity, and oil immersion environments. Widely utilized in motors, transformers, and electrical insulation components.

Technical Specifications

Color	Yellow
Shape	Board
Temperature Index	120℃
Flammability	HB

Key Advantages

Exceptional Dielectric Strength
Maintains ≥14.2 kV/mm and low permittivity, ensuring reliable insulation with minimal energy loss.
High Mechanical Reliability
Density ≥1.8 g/cm³ and robust structural design provide long-lasting performance in demanding environments.
Smooth, Discharge-Resistant Surface
Uniform, defect-free finish reduces partial discharge risk and simplifies installation.

Industrial Applications

Transformer Insulation
Excellent parallel and perpendicular dielectric strength supports reliable insulation in transformer core and winding structures.
Switchgear Components
Engineered for high mechanical durability and impact resistance in electrically stressful switchgear applications.
Busbar Support Systems
Ensures stable electrical performance with low and consistent permittivity, ideal for secure busbar mounting and power distribution.