FR4 - 4.000" 36 x 48 Natural Sheet

This FR4 Glass Epoxy sheet in a substantial 4.0" thickness and 36.0" x 48.0" size delivers outstanding structural stability for heavy-duty electrical, mechanical, and fabrication applications. Finished in Natural color, this sheet combines the trusted insulating performance, moisture resistance, and dimensional reliability of FR4 with the added rigidity needed for demanding builds and precision-machined components.