Why is writing done in ink more permanent than writing done in pencil?

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  1. Bits-n-Pieces profile image69
    Bits-n-Piecesposted 12 years ago

    Why is writing done in ink more permanent than writing done in pencil?

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  2. Laura Schneider profile image83
    Laura Schneiderposted 12 years ago

    Ink can withstand the test of time--hundreds of years or more--whereas pencil can't withstand a first-grader's eraser and smudges over time and can be smudged by a person's hand going over the text.

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  3. MickS profile image59
    MickSposted 12 years ago

    Is it?  I think not,  most ink fades, pencil graphite doesn't.

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  4. hubpoint profile image61
    hubpointposted 12 years ago

    Because ink soaks some distance into the paper, whereas the marks left by a pencil are merely surface films of plumbago. One can rub out pencil marks easily enough, but ink requires the use of an eraser, which grinds away the surface of the paper.

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  5. profile image49
    henrydixonposted 11 years ago

    Because the ink is made up of different different chemicals in liquid form and it stays on the paper and get deep in the paper and join with the paper molecules. Where as The pencil is made of graphite and it is nothing but just the dust of graphite and it is in solid form.
    If you want to get more detail in in you have to take visit of needham-laser.

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