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Epoxy Fiberglass Laminated Sheet: The High-Performance Electrical Insulation Solution

Electrical insulation products
September 03, 2025
Category Connection: Electrical Insulation Board
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Tags:
#Electrical Insulation Plate Temperature Resistant #industrial Electrical Insulation Plate 0.2mm #Smooth Fiberglass Electrical Insulation Board
Brief: Let’s dive in — see this solution in action and notice the key moments. In this video, we showcase the high-performance Electrical Insulation Board, demonstrating its superior electric strength, low relative permittivity, and robust mechanical properties. You'll see how this phenolic epoxy glassfiber laminate sheet performs in demanding applications, from transformers to switchgear, highlighting its smooth surface and reliable insulation capabilities.
Related Product Features:
  • Offers exceptional electric strength perpendicular to laminations, rated at ≥14.2kV/mm at 90°C in oil.
  • Features a low relative permittivity of ≤5.5 at 50Hz for efficient electrical performance and stability.
  • Provides high mechanical durability with a flexural strength of ≥340MPa and tensile strength of ≥300MPa.
  • Exhibits excellent impact resistance with a Charpy impact strength parallel to laminations of ≥33kJ/m².
  • Boasts a high density of ≥1.8g/cm³, ensuring a robust and durable structure for demanding environments.
  • Includes a smooth surface finish with no significant defects, guaranteeing consistent quality and performance.
  • Delivers reliable insulation with a breakdown voltage parallel to laminations of ≥35kV at 90°C in oil.
  • Maintains low water absorption of ≤0.05%, enhancing its longevity and performance in various conditions.
Faqs:
  • What are the key electrical properties of this insulation board?
    This board offers high electric strength perpendicular to laminations (≥14.2kV/mm) and low relative permittivity (≤5.5 at 50Hz), ensuring reliable insulation and efficient performance in electrical applications.
  • In which applications is this Electrical Insulation Board commonly used?
    It is ideal for use in transformers, switchgear, electrical panels, insulating supports, and busbars, where high dielectric strength and mechanical durability are essential.
  • What mechanical strengths does this insulation material provide?
    It features a flexural strength of ≥340MPa, tensile strength of ≥300MPa, compressive strength of ≥350MPa, and Charpy impact strength of ≥33kJ/m², making it highly durable and impact-resistant.
  • Can this insulation board be customized?
    Yes, it can be customized as model 3240 with specific attributes like yellow color, board shape, and standardized technical parameters including density (≥1.8g/cm³) and mechanical strengths.
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