Teflon-Board(pcb board) 1:Teflon-Board 2:Standard dimension: 490 X 490mm 600 X 500mm 3.UL,RoHS,SGS, ... , Ceramic and Teflon Board. Typical Feature . Standard dimension: 490 X 490mm 600 X 500mm (optional dimension for discussion) . Standard thickness: 1. 0, 1 ... . 5, 2. 0, 3. 0 mm(optional dimension for discussion) . Copper foil thickness: 35um, 70um, 105um, 140um, 210um . Heat ...