Teflon-Board(pcb board) 1:Teflon-Board 2:Standard dimension: 490 X 490mm 600 ... Leadsintec have the ability of manufacturing many types of specail board. The products are including Al base, Iron base, ... Brass base, steel base, Ceramic and Teflon Board. Typical Feature . Standard dimension: 490 X 490mm 600 X ... , Solar-energy batter base, heat sinker ect. Teflon-Board with grey color for control ...