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  • KarlM23 commented on mikey77's instructable Make Conductive Glue and Glue a Circuit3 years ago
    Make Conductive Glue and Glue a Circuit

    I will point out that not all graphite is of the same electrical conductivity. The standard #2 pencil is made of wood and graphite. I have measured large differences in conductivity between different batches of pencil graphite. I don't know why. The pencils write on paper the same. Perhaps wax is added to the mix? I also have a 1lb can of Dixon #2 powdered lubricating flake graphite. It has zero conductivity.

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