3240 epoxy board is a glass fabric reinforced epoxy laminate with high dielectric strength. This 3240 epoxy board withstands voltages up to 30 kV/mm without tracking. The surface resistivity of 3240 epoxy board exceeds 10¹⁴ ohms.

Electrical engineers choose 3240 epoxy board for transformer insulation and terminal strips. 3240 epoxy board has a low moisture absorption rate of under 0.5%. The thermal class of 3240 epoxy board is Class B (130°C) continuous operation.

3240 epoxy board can be punched or machined into complex shapes. A light green 3240 epoxy board indicates standard electrical grade. The flexural strength of 3240 epoxy board is at least 350 MPa.

Flame retardancy of 3240 epoxy board meets UL94 V-0 standards. 3240 epoxy board resists arc tracking with a CTI rating over 600. The density of 3240 epoxy board is approximately 1.8 g/cm³.

3240 epoxy board is often used as an insulating barrier in power distribution panels. The thickness of 3240 epoxy board ranges from 0.3 mm to 50 mm. Water jet cutting of 3240 epoxy board produces clean edges without delamination.

3240 epoxy board with NEMA grade designation ensures quality compliance. A recognized 3240 epoxy board simplifies product certification for OEMs. 3240 epoxy board ensures safe operation of high‑voltage electrical systems.