Thermal papers have been used to pass on tedious and secretive information on a piece of writing which shall be only visible when placed in the sunlight. To print such information, particular types of papers are to be used, known as THERMAL PAPERS.
But with the advance in technology and change in time, THERMAL PAPERS are being used to maintain accuracy and quality. It prints very quickly, saving time and demanding poor maintenance that is friendly to the pocket.
The thermal paper should be stored in a dark place at a relative humidity between 45 percent and 65 percent and a temperature below 77°F to ensure satisfactory performance.