An anti-static label needs a specified electrostatic function. Low charging during handling, charge dissipation and discharge shielding are different properties; a label described as ESD-safe does not establish all three.
Review the complete label in the electronics packaging or handling process. The face material, adhesive, liner removal, printed surface and contact with the package can affect the result. A suitable label supports an ESD control programme rather than replacing it.
Specify the electrostatic task
Describe where the label is printed, peeled, applied, handled and removed, and whether sensitive devices are exposed at those stages. Do not assume the risk ends simply because equipment is inside an enclosure.
The ESD Association distinguishes material behaviour and control principles. Dissipative material can still acquire charge; whether charge can move away depends on the arrangement and conditions. Conductivity alone does not prove low charging or shielding.
Name the measurement and conditions
Ask which property is being measured: surface resistance, volume resistance, charge generation, decay or shielding. These are not interchangeable figures, and resistance must not be confused with resistivity.
Identify the test method, electrode arrangement, conditioning, humidity and measured side of the sample. Compare results only when their methods and conditions support the comparison. A face-film data sheet may not describe an assembled label.
Assess the full applied construction
An adhesive may affect electrical contact between a face and the package, but its effect cannot be reduced to a universal rule that one insulating layer makes every label function identically. Evaluate the required path and the actual assembly.
Specify where conductive or dissipative surfaces may contact exposed electronics. Avoid treating either property as a promise that a label cannot cause an unwanted electrical connection or discharge. The ESD programme owner should review the proposed use.
| Required function | What to establish | What not to infer |
|---|---|---|
| Low charging | Charge behaviour during the specified operation | A resistance result proves low charging |
| Dissipation | Measurement method and the intended charge path | Charge always disappears without a suitable path |
| Shielding | Evidence for the packaging arrangement and test | Any conductive label shields the device |
| Identification | Print, adhesion and handling performance | A printed ESD symbol proves electrical properties |
Trial the label in the handling route
Provide the package surface, device handling stage, printer, ribbon or ink, dispensing method and electrostatic acceptance criteria. Confirm that the supplier evidence identifies the offered grade and construction.
Test representative samples under the agreed conditions, including relevant peeling and application operations. Check adhesion, readability and electrostatic behaviour as separate acceptance items. Maintain the approved build and review material or process changes.
FAQ
Does dissipative mean the label cannot charge?
No. Review charge generation and the conditions for charge movement as separate parts of the application.
Can surface resistance prove discharge shielding?
No. Specify the shielding function and applicable test for the actual packaging arrangement.
Is ordinary polyimide automatically ESD-safe?
No. A polymer name or heat rating does not establish electrostatic behaviour. Identify the particular grade and construction.
Can a label replace grounding or other controls?
No. The responsible ESD programme team must assess its role alongside the other controls used in the process.
References and next steps
References illustrate material, process or verification distinctions; they do not establish a rating for a quoted Bofmat grade. Checked 2026-11-04.
Related: anti-static label · functional labels · PI film labels · eco labels
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