YI-YI-CHENG INFORMATION ARTICLE CO., LTD.
No. 1, Aly. 214, Sec. 2, ZhongShan Rd., Shulin Dist., New Taipei City, Taiwan (R.O.C.)
What Are Thermal Labels? Understand the Principles and Practical Applications in 5 Minutes
In modern factories, logistics, retail, and the food and beverage industry, thermal labels and thermal stickers have become indispensable consumables. Whether on production lines in factories in Taiwan, New Taipei, or Taipei, or in major supermarkets, beverage shops, and medical institutions, thermal labels play a crucial role. This article will lead you to a deep understanding of the principles, types, practical applications, and purchasing tips for thermal labels—helping you master this key technology in just 5 minutes.
The Basic Principles of Thermal Labels and Thermal Stickers
Introduction to Thermal Technology
Thermal labels, also known as heat-sensitive labels or thermal stickers, are made using special thermal paper. The surface of this material is coated with a heat-reactive layer; when heated by a thermal printhead, the dye and acidic substances in the coating undergo a chemical reaction, thus displaying patterns or text. This printing method does not require ink or carbon ribbon, features a simple structure, easy maintenance, and is cost-effective.
The Workflow of Thermal Labels
The thermal printhead heats up and directly contacts the surface of the thermal sticker.
The chemically coated area reacts to heat and changes color, forming the required graphics or text.
After printing, the label is applied to products, packages, or logistics boxes.
This is known as direct thermal printing, which does not require a ribbon and is commonly used for receipts in convenience stores and logistics barcodes.
Main Application Areas of Thermal Labels
Factory Automation and Manufacturing
In factories across Taiwan, New Taipei, and Taipei, thermal labels are widely used for automated labeling on production lines, including batch numbers, manufacturing dates, and logistics tracking. Because thermal stickers can be printed at high speed and are less likely to jam, they are especially suitable for large-scale automated operations.
Logistics and Express Delivery
Thermal labels are indispensable tools in the logistics industry, commonly used for consignment notes, barcode labels, and parcel tracking marks. Waterproof, oil-resistant, and high-temperature-resistant thermal stickers are particularly suitable for use in various environments, ensuring that label information does not fall off or blur easily.
Food, Retail, and Medical Fields
In Taiwan’s major beverage shops, lunch box shops, supermarkets, and department stores, thermal stickers are used to label product information, prices, expiration dates, and more. Medical institutions use thermal labels to print inspection reports and medicine labels, ensuring that information is clear and up-to-date.
Advantages of Thermal Stickers and Purchasing Tips
The Basic Three-Proof Features of Thermal Stickers
Waterproof: Mainly from the dual protection of its surface coating and adhesive material. High-quality thermal stickers use waterproof coatings that effectively block moisture penetration, preventing labels from falling off or text blurring due to humidity, condensation, or direct contact with water. These stickers are particularly suitable for use in refrigerated, frozen storage, seafood packaging, beverage bottles, and other high-humidity environments. Even during long-term freezing or thawing, the label can still maintain good adhesion and readability.
Oil-resistant: The key lies in its oil-resistant surface coating and special adhesive formula. This design prevents oil, chemical solvents, and cleaning agents from penetrating the label’s inner layers, causing warping, detachment, or text blurring. Oil-resistant thermal stickers are widely used in food processing plants, takeout packaging, oil factories, automotive maintenance, and more. They can effectively resist plant oils, animal fats, and mechanical lubricants. Even in greasy environments with repeated handling, labels can firmly adhere to the package surface, ensuring the completeness and traceability of information.
High/Low Temperature Resistance: High-temperature thermal stickers use special heat-resistant coatings and adhesives that can withstand environments of 80°C to 100°C or even higher, suitable for high-temp sterilization, baking, heat sealing, and heat-shrink packaging processes. Some high-end products also have low-temperature resistance, maintaining adhesion and print clarity in frozen environments from -40°C to -50°C, preventing labels from peeling off or deforming due to drastic temperature changes. These three-proof stickers are especially suitable for cold chain logistics, medical specimen marking, frozen food, and chemical storage in extreme temperature scenarios, ensuring label information remains clear and intact in high/low temperature cycles.
Preservation and Precautions for Thermal Stickers
Avoid prolonged exposure to sunlight and moisture to prevent premature fading.
Not suitable for long-term storage of important documents; recommended for short-term circulation or real-time information labeling.
Select the appropriate specification of thermal stickers and choose the corresponding three-proof label according to the usage environment (such as freezing, outdoor, oily, etc.).
Frequently Asked Questions and Purchasing Guide
Q1: What’s the difference between thermal labels and thermal stickers?
Thermal labels usually refer to adhesive-backed thermal paper products that can be applied directly, commonly used for logistics, retail, and food & beverage labeling. Thermal stickers are another term for thermal labels; there is no significant difference in nature, and the naming varies according to industry habit.
Q2: Which industries are thermal stickers suitable for?
They are suitable for factory automation, logistics and express delivery, retail supermarkets, food and beverage, medical institutions, and other diversified industries.
Q3: How to choose a suitable thermal label supplier?
Choose suppliers with their own factories, which ensures better quality control.
Select professional-grade products according to your needs, such as three-proof, high/low temperature-resistant products.
Confirm that the supplier can provide fast delivery and local service.
Conclusion
With their high efficiency, low cost, and ease of automation, thermal labels and thermal stickers have become essential identification tools for various industries in Taiwan. Choosing the right thermal stickers and supplier not only improves production efficiency but also ensures the clarity and durability of information labeling. As industries upgrade, the application of thermal labels will become even more diverse, forming a critical foundation for smart manufacturing and logistics management.
https://www.eecc1999.com/en/hot_516425.html
What Are Thermal Labels? Understand the Principles and Practical Applications in 5 Minutes
2025-06-05
2026-06-05
YI-YI-CHENG INFORMATION ARTICLE CO., LTD.
No. 1, Aly. 214, Sec. 2, ZhongShan Rd., Shulin Dist., New Taipei City, Taiwan (R.O.C.)
https://www.eecc1999.com/en/hot_516425.html
YI-YI-CHENG INFORMATION ARTICLE CO., LTD.
No. 1, Aly. 214, Sec. 2, ZhongShan Rd., Shulin Dist., New Taipei City, Taiwan (R.O.C.)
https://www.eecc1999.com/en/hot_516425.html
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2025-06-05
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