Thermal Paper Guide: What is Thermal Paper

May 09, 2026

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Direct thermal printing is a popular printing technology due to its cost-effectiveness and ease of use. With thermal paper, you can print anything from receipts to thermal labels, all without messy ink cartridges or the need to constantly replace toner.
What is thermal paper?
Thermal paper, also known as thermal fax paper, thermal label paper, thermal copy paper, or heat-sensitive duplicate paper in Taiwan, is a special type of paper coated with a thermal chemical formula. Thermal paper does not rely on traditional ink or toner; instead, it uses heat to produce high-quality printed copies. When heated, thermal paper turns black, sometimes turning blue or red. This process is fast, clean, and efficient, making it the preferred choice for many enterprises.
What is the use of thermal paper?
Thermal paper has many applications, which is why it is popular in various industries. Although the number of colors that can be produced is limited, direct thermal printing on thermal paper results in clear lines. Here are some uses of thermal paper:
Tickets: For both movies and concerts, most tickets are printed on heat-sensitive paper. This process is quick and is particularly useful when dealing with long queues at ticket counters.
Receipts: Heat-sensitive paper is widely used for receipts, including in grocery stores, retail stores, gas stations, and restaurants. Due to its clear printing, receipt printing is fast and easy to read.
Heat-sensitive labels: In logistics and transportation, heat-sensitive paper is commonly used to create shipping labels, barcodes, and product labels.
Medical imaging: In the healthcare industry, heat-sensitive paper is used in certain types of medical equipment, such as ultrasound machines, electrocardiogram machines, and patient monitoring systems, to generate real-time reports and images.
So, what exactly is thermal paper? How does it work?
Advantages of thermal paper
Thermal paper is widely used due to its numerous advantages. Here are some of its benefits:
Economical and efficient: Thermal paper does not require the use of consumables such as ink and toner, making it an economical solution for your business.
Clear lines: Direct thermal printing can produce high-quality images and text with clear lines. The printed materials are durable and ensure that your receipts, invoices, or labels remain clear and legible over time.
Fast: When you are queuing halfway along the street, the last thing you want to do is wait forever for a ticket or receipt to print. Direct thermal printing is very fast and there is no need to worry about smudging the ink.
Versatility: Thermal paper is not only suitable for receipts. It can be used for anything from tickets to labels.
How to use labels
The processing method of thermal paper and labels is similar to that of other types of printed materials. The only difference is that you need to use thermal paper with adhesive on the back.
To print a thermal label, first insert the paper into the printer. The print head heats the paper, and the thermal chemicals react, leaving any text or design you choose. Since there is no ink, there is no need to wait for the label to dry before use.
Designers need to understand the types of paper, printing methods and processes!
Graphic designers are like directors in the world of graphic visuals, using design to subtly manipulate the five senses of viewers and making people fall in love with beautiful designs.
In this issue, we will guide you all to understand: How to achieve a sense of texture through materials and printing techniques, so as to make the design more "high-end" and visually appealing.

 

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