Thermal paper is cleaner than your standard ink, produces a crisper resolution, and is ultimately cheaper. Though thermal paper used to be considerably more expensive, the price has come down in recent years, thanks in part to better technology that allows its manufacturers to produce it at a more reasonable cost. Moreover, a thermal paper roll is quieter than bond paper, which is an added bonus for any shopper at the end of a long day.
Most direct thermal papers require a protective topcoating to:
-> Reduce fading of the thermal image caused by exposure to UV light, water, oils, grease, lard, fats, plasticizers, and similar causes
-> Provide improved printhead wear
-> Reduce or eliminate residue from the thermal coating on the thermal printheads
-> Provide better anchorage of flexographic printing inks applied to the thermal paper
-> Focus the heat from the thermal printhead on the active coating.
Thermal paper is paper that is impregnated with a chemical that changes color when exposed to heat. It is used in thermal printers and particularly in cheap, lightweight devices such as adding machines, cash registers, and credit card...