Introducing the range of RS PRO FR4 Epoxy Glass Thermal Insulation Sheets, commonly used as an electrical insulator, thanks to is excellent mechanical strength and performance. FR4 Epoxy Glass is a composite material made from woven fibreglass cloth combined with an epoxy resin binder to create a strong, flame-resistant insulator suitable for a wide range of applications.

The RS Pro Epoxy Glass FR-4 Sheet with 420 x 297mm sheet size and 800 V/mil electrical strength has a Woven glass fabric combined with epoxy resin system. It is black in colour.

NEMA grade FR-4 properties
Certifiable to MIL-I-24768/27, Type GEE-F
2300Lb bonding strength
66KV breakdown voltage

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.