How To Extend The Life Of Thermal Labels

Thermal label paper has the characteristics of convenient, fast and environmentally friendly printing, and is widely used in supermarkets, banks, logistics and medical and other application scenarios. But improper preservation or use can cause thermal labels to fade. This article will take you in-depth understanding of the factors affecting the service life of thermal sticky notes and to extend the service life of thermal labels
Contents

Understanding the characteristics of thermal labels

Clean and environmentally friendly: thermal label paper has a thermal coating on the surface, eliminating the need for ribbon ink, reducing ink consumption and waste, and reducing environmental pollution and the emission of hazardous substances

High sensitivity: the highly sensitive surface of thermal label paper can be applied to low voltage printheads, so there is minimal wear and tear on the printheads.

Printing speed: thermal labels by heating the printhead to make the thermal paper chemical reaction, can print a large number of labels in a very short period of time, greatly improving work efficiency

Waterproof and oil-proof: ordinary thermal paper labels are not waterproof and oil-proof, but three-proof thermal self-adhesive label paper, with waterproof, moisture-proof, oil-proof function.

Low cost: the main consumable of thermal printing is thermal paper, which is less expensive than the traditional ink-consuming printing method. Especially in scenarios that require high-volume printing, thermal labels can effectively reduce operating costs

Types of thermal labels and their characteristics

The composition of thermal labels usually includes the substrate, thermal layer and protective layer, and different material combinations determine its applicable scenarios and durability.

Ordinary thermal paper labels: is a common thermal paper labels, the surface coated with a single layer of thermal coating, which is characterized by fast printing speed, clear handwriting, not easy to fade, but poor temperature resistance (usually ≤ 50 ° C), the information preservation period is shorter (3-6 months), suitable for printing a variety of labels, tickets, courier orders and so on.

Long-lasting thermal labels: this thermal labels using thickened thermal paper, the surface of the added coating containing antioxidant components, he is characterized by better friction resistance, temperature resistance (up to 70 ℃), information retention period extended to 1-2 years. Commonly used in electronic product warranty labels, file box identification, warehouse shelves long-term labeling.

High-temperature-resistant thermal paper labels: the surface of such thermal labels covered with a layer of specially coated thermal paper or synthetic materials (such as PET, PVC), which is characterized by high temperature resistance, no deformation, no color fading. Can be used in high temperature environments, such as in the oven, microwave and other equipment.

Special thermal labels: including anti-counterfeiting thermal labels (change color when heat), removable thermal labels (no residual glue), low temperature thermal labels (-40 ℃ environment is applicable) and so on. Characteristics: Designed for specific scenarios, high functionality but high cost. Applicable to pharmaceutical anti-counterfeiting labels, fresh food cold chain labels, precision instruments temporary labels, etc..

Three-proof thermal paper: the surface of this thermal label is covered with a thick protective layer, and the bottom layer is a tough, tear-proof label paper. He is characterized by water, oil and abrasion resistance, as well as excellent tear and tensile resistance, suitable for use in wet or greasy environment, such as food packaging, pharmaceutical packaging, etc..

How long does a thermal label last?

The life span of thermal labels is affected by the way they are used, the materials used and the environment in which they are kept, with significant variations under different conditions:

Under the condition of dry and light-avoiding at room temperature, the preservation time of ordinary thermal labels is about 1-2 years.

Under the condition of high temperature (>35℃) or strong light exposure, the preservation time of ordinary thermal labels is about 3-6 months.

Factors affecting the life of thermal labels

Temperature and humidity

High temperature environment will lead to thermal label coating aging, label information fading, humid environment will lead to thermal labels moisture deformation, label information falling

Light and Oxidation

Long-term exposure to sunlight accelerates the oxidation of the coating, leading to fading of the label information. Meanwhile, airborne pollutants such as dust, fumes, and chemical gases (e.g., formaldehyde in warehouses) may corrode the surface of the labels, shortening their service life.

Print Quality

Both the quality of the thermal coating and the temperature setting of the print affect the life of the thermal label. Lower quality settings can result in poor adhesion between the ink and the label surface, leading to premature color fading or wear.

Physical Friction

When the label paste uneven, easy to produce bubbles will lead to uneven labeling force to accelerate the breakage, and at the same time by frequent contact, wipe, etc. may wear the coating, resulting in blurred information. 

How to extend the life of thermal labels?

Select high-quality labels

According to the use of the environment, select the appropriate thermal label, if the environmental requirements are relatively high, give priority to the use of heat-resistant, UV-resistant thermal paper, to avoid the use of ordinary thermal paper resulting in the coating due to high temperature or friction and fall off

Optimize print settings 

Reasonable adjustment of the printer's temperature settings, so as to obtain better print quality and a longer service life

Reduce environmental damage

Avoid prolonged exposure of labels to high temperatures or bright light, reduce the friction between the label and the surface of the item, and if necessary, use laminating films or cladding to protect the labels

Correct storage

The storage environment needs to be protected from light, dry environment, (recommended 20-25 ℃, humidity 40-60%)

Practical Applications of Thermal Labels

Choose the right type of label, strict control of environmental factors and take the initiative to regular maintenance and inspection, can significantly extend its service life and reduce the cost of frequent replacement.

  • Logistics industry: goods sorting and handling labels are easy to wear and tear, while the inventory cycle is long, the need to ensure that the label information 1-2 years of clear and readable, it is recommended that you choose a long-lasting thermal labels (PET material)
  • Food industry: the need for high temperature and oil-resistant thermal labels, it is recommended to choose high temperature thermal paper labels
  • Fresh cold chain industry: the need for waterproof and low temperature thermal labels, it is recommended to choose the three anti-thermal labels
  • Medical industry: the need for corrosion-resistant, anti-alcohol, antibacterial, low-temperature-resistant labels, it is recommended that the choice of special thermal labels

Customized thermal labels with your logo

Modern Paper specializes in producing all kinds of thermal label paper, we support custom printing all kinds of labels, you can contact us at any time.

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