Pilot Frixion Ball contains a thermo sensitive ink that disappears when subjected to heat by friction.
With a few flicks of the end-stub, the ink disappears almost instantaneously, allowing users to write, delete and repeat with no worries, making it perfect for secret messaging, crossword puzzles and everyday use, it added.
This thermo-sensitive Gel ink becomes translucent when subjected to heat caused by Friction (at 650C).
To reactivate the ink, the writing has to be subjected to freezing temperatures of about -100C.
The user could erase by rubbing with debris-free
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