FR4 - 3.500" 48 x 48 Natural Sheet

Built for demanding electrical and structural applications, this FR4 Glass Epoxy sheet features a substantial 3.5" thickness in a full 48.0" x 48.0" sheet, finished in Natural for a clean, industrial look. The extra-thick profile delivers outstanding rigidity and dimensional stability, while FR4’s inherent electrical insulation and moisture resistance make it a dependable choice for high-performance fabrication.