Benefits
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Reliable bonding: Provides strong initial adhesion and holding power on compatible surfaces.
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Efficient converting: The PET carrier supports handling during slitting, die-cutting, and lamination.
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Dimensional stability: Helps maintain component shape and alignment during processing.
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Black appearance: Suitable for assemblies that require a black adhesive carrier.
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Versatile use: Supports electronic component assembly, foam lamination, and industrial bonding applications.
Technical Specifications
| Property | Specification |
|---|---|
| Product name | 3M™ 55260B Double Coated PET Tape |
| Product type | Double-sided pressure-sensitive adhesive tape |
| Adhesive type | Acrylic / acrylate |
| Carrier material | PET (polyester film) |
| Carrier color | Black |
| Carrier thickness | Approximately 0.013 mm |
| Adhesive thickness | Approximately 0.10 mm per side in the older 3M TDS |
| Calculated total tape thickness | Approximately 0.213 mm, excluding liner |
| Release liner | White, 76 lb poly-coated kraft paper with white logo |
| Release liner thickness | Approximately 0.142 mm |
| Long-term temperature resistance | Approximately 70°C, based on older documentation |
| Short-term temperature resistance | Approximately 150°C, based on older documentation |
Note: The thickness figures are based on older 3M technical documentation. Confirm the current nominal thickness, temperature ratings, and construction with the TDS for the exact supplied product before publication or engineering use.
Applications
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Foam and mesh lamination for small electronic-device gaskets
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Bonding components in electronic assemblies
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Mounting selected plastic components
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Film-to-film lamination
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Precision die-cut adhesive parts
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Industrial component assembly
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Bonding applications requiring a black PET carrier
Compatible Materials
Depending on surface energy, texture, and application conditions, 3M 55260B may be suitable for bonding:
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PET and other compatible plastic films
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Selected plastic components
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Foam materials
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Mesh materials
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Metal surfaces
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Other substrates used in electronic and industrial assemblies
Actual adhesion should be tested on the intended substrates. Surface preparation, contact pressure, temperature, and environmental exposure can affect bonding performance.
Industries
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Consumer electronics
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Electronic components
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Electrical equipment
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Appliance manufacturing
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Automotive components
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Industrial equipment
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Foam converting and gasket manufacturing
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Precision adhesive converting
Why Choose 3M 55260B Double Coated PET Tape?
3M 55260B combines a black PET carrier with acrylic adhesive on both sides, offering a balance of adhesion, holding power, and converting stability. It is a candidate for manufacturers who need black double-sided tape for lamination, component mounting, and precision die-cutting.
Yousan can evaluate custom-width rolls, adhesive sheets, and precision die-cut components, subject to material availability, processing requirements, and order quantity.
Installation Guide
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Prepare the surface: Ensure bonding surfaces are clean, dry, and free from dust, oil, and other contaminants.
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Verify compatibility: Check the tape against both substrates and the expected operating environment.
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Apply the tape: Position the tape carefully and apply firm, even pressure.
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Remove the liner: Peel off the release liner without contaminating the exposed adhesive.
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Bond the second substrate: Align the component and press firmly across the bonding area.
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Validate performance: Test adhesion, temperature exposure, and long-term holding power under actual operating conditions.
Storage
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Store in the original packaging.
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Keep away from direct sunlight, excessive heat, and moisture.
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Maintain stable temperature and humidity conditions.
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Follow the shelf-life and storage recommendations in the applicable manufacturer’s documentation.
An older 3M document lists a 24-month shelf life under specified storage conditions. Confirm that this applies to the exact version supplied before publishing a shelf-life claim.
FAQ
1. What is 3M 55260B tape?
It is a black double-coated PET tape with acrylic adhesive on both sides, designed for bonding, lamination, and industrial converting.
2. What is the difference between 3M 55260 and 55260B?
The older 3M documentation describes 55260 with a clear PET carrier and 55260(B) with a clear or black PET carrier. Confirm the exact product designation and availability with the supplier.
3. What is the thickness of 3M 55260B?
The older technical data lists approximately 0.10 mm of adhesive on each side and a 0.013 mm PET carrier, giving a calculated total of approximately 0.213 mm excluding the liner. Verify the nominal thickness for the current product version.
4. Is 3M 55260B suitable for die-cutting?
Yes. The PET carrier improves dimensional stability and handling during die-cutting and lamination.
5. Can 3M 55260B bond foam and mesh?
It is described for foam and mesh lamination in small electronic-device gasket applications. Actual suitability depends on the foam or mesh type and the bonding conditions.
6. What is the temperature resistance of 3M 55260B?
Older documentation lists approximately 70°C for long-term exposure and 150°C for short-term exposure. These figures should be confirmed against the current technical data sheet and validated under actual operating conditions.
7. Can Yousan supply custom die-cut 3M 55260B parts?
Custom slitting, sheet converting, and precision die-cutting may be possible, subject to material availability, design requirements, tolerances, and order quantity.
Downloads
Available upon request:
- 3M 55260B Double Coated Tape Technical Data Sheet (TDS)
- Safety Data Sheet (SDS)
- Product Brochure
- Custom Die-Cut Adhesive Solution Guide
Please contact our sales team if you require the latest technical documentation.
