Epoxy Laminated Sheet

1.Description
Epoxy Laminated Sheet is a rigid insulating material made from alkali‑free glass fabric impregnated with epoxy resin and cured under high temperature and pressure. It offers excellent mechanical strength, outstanding electrical insulation, and good heat resistance, with stable performance in high‑temperature and humid environments.
Thickness: 0.5 – 100 mm (custom available)
Standard sizes: 1020×1020 mm, 1020×2040 mm, 1220×2440 mm
2.Features
High mechanical strength (flexural, compressive, impact)
Superior electrical insulation and high dielectric strength
Low water absorption, stable in humid conditions
Thermal class up to B (130℃) / F (155℃) / H (180℃)
FR grades meet UL94 V‑0 flame retardancy
Easy to machine (sawing, drilling, milling, punching)
3.Standards
IEC 60893‑3‑2, NEMA LI‑1 (G10, G11, FR4, FR5), GB/T 1303
4. Typical Technical Data

5. Grade Selection

6. Applications
Motors, transformers, generators, switchgear
PCB fixtures, coil formers, stiffeners
Gears, jigs, fixtures, mold plates
HV/LV insulating components
7. Processing & Storage
Machining: Use carbide tools; apply dust control measures.
Storage: Keep in dry, ventilated indoor area, away from sunlight.
Max. Service Temp: Per grade – B≤130℃ / F≤155℃ / H≤180℃.
Cleaning: Use alcohol or mild detergent; avoid strong acids/alkalis.