uxcell Double-Sided Copper Clad Laminate PCB Circuit Board, FR4 100x70mm 3.94x2.76 inch, 1.5mm Thickness DIY Prototyping PCB Board, Name Board, 10pcs

Features

• 【Material】 Material: FR-4 Glass Fiber, Copper; Layers: Double-sided.
• 【Size】Dimension: 100x70mm/ 3.94x2.76 inch(L*W); Thickness : approx. 1.5mm.
• 【Applications】Great for making PCB Circuit Board, Models. Widely used in product development, DIY experiments, maintenance, production, etc.
• 【Stable】Mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate.
• 【Note】The oxide layer on the surface of the copper-clad laminate needs to be polished clean with fine sandpaper to ensure that the carbon powder can be firmly printed on the copper-clad laminate during transfer. The surface of the board should be polished bright without obvious stains.