Why receipt gets blackened (Wrinkle-free PiT)

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Glue sticks ：Why receipt gets blackened (Wrinkle-free PiT)

The heat-sensitive dye (leuco dye) used in the receipt is considered to have reacted black with the solvent. Wrinkle-free PiT might cause discoloration in the note paepr. For less discoloration effect, please use PiT High Power or Disappearing Color PiT. Besides, the same phenomenon might occur with pressure-sensitive papers such as copy slips.

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