Proma fr4 epoxy resin board cu 35 m 15 thickness wr rademacher vk c 611 4 the wr rademacher fr4 epoxy resin board cu 35 m 15 x 100 x 160mm is a double sided board that is ideal for constructing fixings chassis facings etc the sheet can be easily worked using normal tools wr rademacher vk c 611 4 epoxy board double sided 100 x 160 x 15mm