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  • 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
  • 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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