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Other contributors have said "What is the flash-point of a peice of paper?" is the same question as "What is the kindling point of paper?". If you believe that these are not asking the same thing and should be answered differently, click here.

What is the kindling point of paper?

Answer:
The autoignition temperature of paper is also known as the kindling point and sometimes referred to improperly as the flash point. It is the temperature at which paper will spontaneously combust. It is 450 degrees C or 842 degrees F.

Source: The Handbook of Physical and Mechanical Testing of Paper and Paperboard - Volume 2 - Edited by Richard Mark
Bruce Moore-NJ

Some texts will give a variety of temperatures for this value because even at this temperature it may take different lengths of time for the paper to ignite depending on several factors including the amount of oxygen in the air and the elevation at which the paper is burned.

Trivia: Ray Bradbury wrote a novel entitled Farenheit 451 - referring to be the ignition point of paper.

The ignition point of paper is 233oc / 451oF not 450oC/842oF as mentioned above.
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