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Class B Phenolic Epoxy Glass Fiber Laminated Insulation Board

Class B Phenolic Epoxy Glass Fiber Laminated Insulation Board

Model Number 3240
Place of Origin China
Minimum Order Quantity 1000kgs
Price basing on size and quantity
Payment Terms T/T
Supply Ability 200000kgs per month
Delivery Time 30 working days
Packaging Details pallet
Thickness 0.2-101.6mm
Tensile strength(MD) ≥300MPa
Compressive strength ≥350MPa
Vertical electric strength ≥14.2kV/mm
Parallel breakdown voltage ≥35kV
Temp. Index 120℃
Flammability HB
Size 102 X 202cm / 102 X 122cm / 122 X 204cm / 122 X 244cm
Detailed Product Description

Product Description


The Phenolic Epoxy Glass Fiber Laminate is a robust, hot-pressed composite of non-alkali glass cloth and epoxy-phenolic resin. It delivers excellent electrical insulation, high mechanical strength, and Class B thermal endurance, maintaining stable performance even in harsh conditions like high humidity or oil immersion.


Technical Specifications


ParametersValue
Thickness

0.2-101.6mm

Tensile strength(MD)

≥300MPa

Vertical electric strength

≥14.2kV/mm

Parallel breakdown voltage

≥35kV

Temp. Index

120℃


Advantages

  • Exceptional Mechanical Properties: Maintains high mechanical strength and structural integrity under ambient and medium-temperature conditions.
  • Stable Electrical Insulation: Provides reliable dielectric performance with minimal degradation, even in high-humidity environments.
  • Broad Environmental Compatibility: Delivers consistent performance when exposed to moisture or immersed in transformer oil.
  • Excellent Machinability: Can be precisely cut, drilled, and fabricated into custom insulating components for diverse applications.

Applications

  • Ideal for Transformers: Guarantees reliable internal insulation with exceptional dielectric strength in all directions.
  • Built for Switchgear: Withstands mechanical stress and impact for stable, high-intensity operations.
  • Essential for Busbar Supports: Ensures stable power distribution through low and stable permittivity.

Product Tags: Class B Thermal Endurance Electrical Insulation Board   ≥350MPa Compressive Strength Fiberglass Laminate Sheet   ≥14.2kV/mm Vertical Electric Strength Phenolic Epoxy Board  
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