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Heat Activated Disappearing Ink


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Heat Activated Disappearing Ink. Lemon juice is a natural acid that weakens the paper fibers. Simply heat to make the ink vanish and make it reappear with cold.

Heat Erasable Refill Pens Disappearing Pen For Patchwork Fabric Mark
Heat Erasable Refill Pens Disappearing Pen For Patchwork Fabric Mark from www.alibaba.com

This specially formulated ink is called thermochromic ink and can actually be formulated into different colors and to change color at different temperatures. Believe it or not, this probably isn’t the first time you’ve seen or used thermochromic ink. Discover our disappearing ink pens for a unique dnd & ttrpg experience.

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Heat Erasable Refill Pens Disappearing Pen For Patchwork Fabric Mark

Believe it or not, this probably isn’t the first time you’ve seen or used thermochromic ink. Lemon juice is a natural acid that weakens the paper fibers. Super simple heat activated invisible ink (not lemon juice): Invisible ink has been used for hundreds of years in real spy missions.

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