Introduction
In industries such as electronics manufacturing, automotive production, and industrial equipment assembly, product labels often need to withstand elevated temperatures while maintaining reliable identification.
Ordinary labels may not be suitable for every industrial environment, particularly when products are exposed to heat during operation or manufacturing. Choosing the right label material and adhesive is essential for maintaining product identification and barcode readability.
GAOFE's 120°C heat resistant PET labels with acrylic adhesive are designed for industrial labeling applications that require temperature resistance and dependable identification. They can be considered for suitable electronic components, automotive parts, electrical equipment, and industrial machinery, subject to the specific application conditions.
In this article, we explore the industries and applications where 120°C heat resistant PET labels may be used and explain what buyers should consider when selecting a suitable labeling solution.
Why Choose 120°C Heat Resistant PET Labels?
PET, or polyethylene terephthalate, is a polyester film commonly used for durable product identification labels. Compared with ordinary paper labels, PET labels are suitable for many applications that require a film-based label face and a more durable identification surface.
When combined with an appropriately selected acrylic adhesive, PET labels can be used in applications where both the label material and adhesive system need to meet specified temperature requirements.
Key considerations include:
Temperature resistance: Intended for applications with a specified temperature requirement of up to 120°C, subject to the actual label construction and exposure conditions.
Industrial identification: Suitable for applications requiring product codes, serial numbers, and other identification information.
Barcode labeling: Can be configured for barcode and QR code printing using a compatible printing process.
Multiple application options: Can be considered for selected electronic components, automotive parts, and industrial equipment.
Custom label configurations: Label dimensions, shape, printing, and adhesive requirements can be evaluated according to the application.
It is important to distinguish between short-term exposure to 120°C and continuous operation at that temperature. Actual performance depends on the PET face material, adhesive formulation, printing system, substrate, and exposure duration. These conditions should be confirmed before selecting a label for production use.
Applications in Electronic Components and Electrical Equipment
Electronic and electrical manufacturers use identification labels to manage components, track production batches, and maintain product records.
Some components are installed inside equipment or near heat-generating parts, where ordinary labels may not meet the required operating conditions. In these applications, 120°C heat resistant PET labels may be considered when the specified temperature and adhesive requirements are satisfied.
Typical Applications
Electronic control modules
Power supplies and electrical assemblies
Industrial sensors and controllers
Electrical enclosures and control panels
Identification labels for selected electronic components
Why Use Heat Resistant PET Labels?
Electronic manufacturers may need labels that remain attached and identifiable under the expected operating conditions of their products.
Depending on the application, these labels can carry:
For barcode applications, the printing method and ribbon should be selected to ensure that the printed information meets the required scanning and durability standards.
Application tip: The temperature inside an electrical device can vary considerably by location. Confirm the actual temperature at the label position rather than relying only on the equipment's general operating temperature.
Applications in Automotive Parts and Components
Automotive manufacturers rely on product identification to support production traceability, inventory management, assembly operations, and spare parts distribution.
Labels applied to selected automotive components may encounter elevated temperatures during operation or processing. A suitable 120°C heat resistant PET label can be considered when its construction meets the component's actual environmental requirements.
Typical Applications
Automotive electronic modules
Electrical connectors and assemblies
Motor components
Selected under-hood components
Automotive spare parts identification
Production and warehouse traceability labels
Supporting Automotive Parts Traceability
Barcode labels help manufacturers connect individual components with production records and inventory systems.
Depending on the customer's requirements, PET labels can be printed with part numbers, serial numbers, batch codes, and other machine-readable information.
For automotive applications, temperature resistance is only one part of the selection process. Buyers should also evaluate the component surface, exposure duration, possible contact with oils or chemicals, and expected service life.
A label intended for a component operating at 120°C should be validated under representative conditions before mass production.
Applications in Industrial Equipment and Machinery
Industrial equipment often operates for extended periods and requires clear identification for maintenance, inspection, and asset management.
In equipment exposed to elevated temperatures, a suitable heat resistant PET label may help maintain product identification where ordinary labels are insufficient.
Typical Applications
Industrial motors and pumps
Automation equipment
Electrical control cabinets
Selected heating equipment components
Industrial machinery identification
Equipment serial number and barcode labels
Benefits for Equipment Identification
Industrial manufacturers may use labels to identify equipment, record model information, and support maintenance workflows.
When integrated with a barcode management system, labels can help technicians retrieve equipment records and track inspection or service history.
For these applications, buyers should consider the actual temperature at the label location, the surface material, the adhesive requirements, and the expected service life.
For equipment operating near 120°C, selecting a label based on verified temperature performance is important for reducing the risk of premature label failure.
Applications in Home Appliances and HVAC Equipment
Home appliance and HVAC manufacturers use labels to identify products, components, and electrical assemblies throughout production and after-sales service.
Certain internal components may experience elevated temperatures during normal operation. Depending on the installation location, 120°C heat resistant PET labels may be considered for product or component identification.
Typical Applications
Air conditioning components
Heating equipment assemblies
Electrical modules in home appliances
Selected internal equipment components
Replacement parts and service identification
What Should Manufacturers Consider?
Not every part of an appliance experiences the same temperature. A label applied to an external housing may have very different requirements from one installed close to a heating element.
Before selecting a 120°C PET label, manufacturers should confirm the temperature at the installation point, the expected exposure duration, and the compatibility of the adhesive with the surface.
This helps ensure that the label is selected according to the actual application rather than the general temperature rating of the equipment.
Applications in Wire Harnesses and Electrical Assemblies
Wire harnesses and electrical assemblies contain numerous wires, connectors, and components that require accurate identification.
In selected electrical assembly applications, PET labels may be used to display part numbers, assembly codes, or barcode information. Where elevated temperatures are involved, the label construction must be suitable for the specified operating conditions.
Typical Applications
Electrical assemblies for industrial machinery
Wiring components in control cabinets
Motor connection assemblies
Power supply wiring systems
Selected electrical component identification
However, a standard flat PET label is not necessarily suitable for every cable or wire surface. Narrow wires, curved surfaces, and flexible harnesses may require specially designed cable identification labels.
For these applications, both temperature resistance and the physical label format should be considered.
How to Select a 120°C Heat Resistant PET Label
Choosing the right label involves more than checking its temperature rating. Buyers should evaluate the complete labeling system and the conditions in which the label will be used.
Temperature and Exposure Duration
Determine whether 120°C represents a continuous operating temperature, a short-term peak, or exposure during a manufacturing process.
These conditions can lead to different material requirements.
Application Surface
Identify whether the label will be applied to stainless steel, aluminum, plastic, painted metal, or another substrate.
Surface energy, roughness, cleanliness, and curvature can all affect adhesion.
Adhesive Requirements
Acrylic adhesive formulations vary in their initial tack, final adhesion, and temperature performance. The adhesive should be selected according to the actual substrate and operating conditions.
Printing and Barcode Readability
For labels carrying barcodes or QR codes, select a compatible printing method and ribbon. If the label will be exposed to heat after printing, test the printed information under representative conditions.
Environmental Exposure
Consider whether the label may encounter moisture, oils, solvents, cleaning agents, or repeated temperature changes.
Additional resistance should be verified rather than assumed from the PET face material alone.
By confirming these details, manufacturers can evaluate whether a particular 120°C heat resistant PET label is appropriate for their application.
Customized 120°C PET Labels from GAOFE
Different industries have different requirements for label dimensions, printing content, adhesive performance, and operating conditions.
GAOFE supplies barcode-related products, including industrial labels and printing supplies. For customers looking for PET labels with acrylic adhesive for applications involving temperatures up to 120°C, the required label construction should be evaluated against the actual use conditions.
When contacting GAOFE, please provide the following information:
Application: What product or component will the label identify?
Label dimensions: What size and shape do you require?
Application surface: Will the label be applied to metal, plastic, or another material?
Temperature conditions: Is 120°C a continuous temperature or a short-term peak?
Exposure duration: How long will the label remain at the specified temperature?
Printing requirements: Do you need plain labels, preprinted labels, barcodes, or QR codes?
Order quantity: What is your estimated sample and production quantity?
With this information, our team can evaluate your requirements and discuss a suitable labeling solution.
Conclusion
120°C heat resistant PET labels with acrylic adhesive can be considered for selected industrial identification applications, including electronic components, automotive parts, industrial equipment, home appliances, and electrical assemblies.
By selecting an appropriate label construction and printing solution, manufacturers can support product identification, barcode tracking, and production traceability in environments involving elevated temperatures.
However, the suitability of a label depends on more than its nominal temperature rating. The face material, adhesive formulation, application surface, exposure duration, and printing requirements should all be considered before production.
Looking for 120°C heat resistant PET labels for your application? Contact GAOFE with your label specifications and operating conditions to discuss your requirements and request a quotation.
Frequently Asked Questions
1. What are 120°C heat resistant PET labels used for?
They may be used for selected electronic components, automotive parts, industrial equipment, electrical assemblies, and other applications where the label construction meets the specified temperature and adhesion requirements.
2. Can PET labels with acrylic adhesive withstand 120°C?
Some PET label constructions with appropriately selected acrylic adhesives may be suitable for applications involving 120°C. However, performance depends on the specific face material, adhesive formulation, exposure duration, substrate, and other environmental conditions. Confirm the rating with the label supplier before use.
3. Can 120°C PET labels be used for barcode printing?
Yes. PET labels can be configured for barcode and QR code printing using a compatible printing process. The ribbon and printing conditions should be selected according to the label material and the required print durability.
4. Are 120°C PET labels suitable for automotive applications?
They may be suitable for selected automotive components, depending on the installation location and environmental requirements. Applications involving oils, chemicals, vibration, or additional temperature exposure should be evaluated separately.
5. What information is needed to order customized 120°C PET labels?
Provide the label dimensions, application surface, required temperature conditions, exposure duration, printing requirements, and estimated order quantity. These details help the supplier evaluate a suitable label construction.
6. Can GAOFE supply customized PET barcode labels?
GAOFE supplies barcode-related products, including labels and printing supplies. Customized PET label requirements can be evaluated according to the intended application, dimensions, adhesive requirements, printing specifications, and order quantity.
