Direct Thermal Labels

General Uses: Ideal for indoor applications. Available in 1" Core and 3" Core.General purpose Direct Thermal labels. These labels use an uncoated face stock and come with permanent adhesive. Heat activated labels.   For a complete list of in-stock sizes, click here.A thermal printer (or direct thermal printer) produces a printed image by selectively heating coated thermochromic paper, or thermal paper as it is commonly known, when the paper passes over the thermal print head. The coating turns black in the areas where it is heated, producing an image.