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  • FR-4 / FR-5 Epoxy Glass Sheet
  • FR-4 / FR-5 Epoxy Glass Sheet

FR-4 / FR-5 Epoxy Glass Sheet

Flame-retardant epoxy glass sheet for electrical insulation structures, higher thermal reliability and demanding industrial environments.
  • FR-4 / FR-5 Epoxy Glass Sheet

Description

FR-4 / FR-5 Epoxy Glass Sheet

Flame-retardant epoxy glass sheet for electrical insulation structures, higher thermal reliability and demanding industrial environments.

Product Description

FR-4 and FR-5 epoxy glass sheets are designed for buyers who require flame-retardant performance together with strong mechanical and electrical properties. FR-4 is the well-known mainstream grade, while FR-5 is selected when higher heat resistance and long-term thermal stability are needed.

Basic Parameters

MaterialFlame-retardant epoxy resin with glass fiber reinforcement
Grade FocusFR-4 for general industrial use, FR-5 for higher heat performance
Key FeaturesArc resistance, dielectric stability and good machinability
Typical ColorOften green or industrial natural tone

Product Specifications

  • Available grades: FR-4 and FR-5 insulation sheets, including high-performance FR-4 series
  • Thickness range: 0.1 mm to 200 mm
  • Standard sheet sizes: 1020 * 1220 mm, 1020 * 2040 mm, 1220 * 2040 mm and 1220 * 2440 mm
  • Maximum size: 1220 * 3100 mm
  • Available colors: N color (water green), UV yellow and BK black, with custom colors available
  • Product feature: Glass fiber reinforced, high mechanical strength and broad grade availability

Application Scenarios

  • High-end electrical insulation panels, barriers and structural support parts
  • Industrial control systems, power equipment and thermal-stable insulation assemblies
  • Applications requiring flame-retardant behavior and better long-term heat reliability
  • Machined custom parts for electrical, electronic and new energy equipment