FR-4 Glass Fiber Laminate

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Glass-epoxide sheets for electrical and mechanical applications with enhanced flame resistance. Suitable for use in high-voltage devices, both in air and oil environments. Offers excellent mechanical properties, low water absorption, and stable dielectric performance in high humidity and elevated temperatures up to 130–140°C. Complies with UL 94 V-0 flammability standard.

Technical Specifications:
  • Thickness Range: 0,9 – 45,0 (customizable)
  • Thermal endurance class: B
  • Max operating temperature: 130–140°C
  • Density, kg/m³: 1,850 – 1,950 ± 5%
  • Type in acc. with DIN 7735: Hgw2372.1
  • Type in acc. with NEMA: FR-4
  • Type in acc. with IEC 893: EPGC202
  • Flame resistance: UL 94 V-0 certified
  • Compressive strength: 150-300 MPa (In longitudinal direction), 60-150 MPa (In transverse direction)
  • Tensile strength: 200-400 MPa (In longitudinal direction), 30-120 MPa (In transverse direction)
  • Coefficient of elongation, K-1: 8 - 14 x 10^-6 (In longitudinal direction), 16 - 22 x 10^-6 (In transverse direction)
  • Useful width x length: max 1.225 x 2.500 mm
  • Surface / colour: technical smooth /available in the required color upon request