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    Johnpam4's Avatar
    Johnpam4 Posts: 1, Reputation: 1
    New Member
     
    #1

    May 2, 2019, 03:58 PM
    Dry Erasable ink
    What are the materials for making dry erasable ink? I made one with carbon black, isopropanol, resin and a binder. Its writing and removing fine on the board but stains the hand. How do I reduce the stain. Thanks
    teacherjenn4's Avatar
    teacherjenn4 Posts: 3,997, Reputation: 468
    Education Expert
     
    #2

    May 2, 2019, 07:56 PM
    Dry erase markers stain hands and clothing. If you can figure out how to make them better, I’m sure you can make good money!

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