5pcs 100x70mm Double Sided Copper Clad Laminate PCB Circuit Board FR4 1mm Thickness DIY Prototyping PCB Board

Size: 100mmx70mmx1mm

5pcs 100x70mm Double Sided Copper Clad Laminate PCB Circuit Board FR4 1mm Package Dimensions: ‎5.51 x 4.02 x 0.59 inches Material: FR-4 glass fiber with copper. Double-sided layers. Includes 5 pieces of copper-clad PCB boards. Dimensions: 100mm x 70mm (3.94 inches x 2.76 inches) (Length x Width). Thickness is approximately 1mm. Ideal for creating PCB circuit boards and prototypes. Commonly used in product development, DIY experiments, maintenance, and small-scale production. These boards provide mechanical support and electrical connections for electronic components through conductive tracks, pads, and other features, which are etched from copper sheets laminated onto a non-conductive substrate. Note: The oxide layer on the copper surface should be polished clean using fine sandpaper. This ensures the carbon powder adheres firmly during the transfer process. The board surface should be polished to a bright finish.

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