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Home / Questions / Q 364307
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Anonymous
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What is the chemical is used in ink of a pen

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  1. eAnswers Team

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    Added an answer on September 1, 2018 at 7:34 am

    Various types of ink pens are there including Rollerball ink pens, ballpoint ink pens, fountain ink pens, felt-tip ink pens which performs the same function of writing. That is why the chemical composition differs from each type of pen mentioned above but most common chemicals are :-
    >> Tannic Acid
    >> Crystallized Ferrous Sulfate
    >> Gum Arabic
    >> Dilute Hydrochloric Acid

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