Advanced Polymer Tape Inc.
Kapton Polyimide Tape
Kapton Polyimide Tape
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Kapton Polyimide Tape combines a 1.0 mil polyimide film backing with silicone adhesive for high temperature masking and electrical insulation applications. This amber tape has a total thickness of 2.5 mil, including adhesive, and an operating temperature rating of 260°C (500°F).
High Temperature Resistance
Use this heat resistant polyimide tape for masking tasks that require a thin film backing and silicone adhesive. Select the tape for your actual process temperature, exposure time and surface material. The 260°C (500°F) rating applies to this tape; higher temperature figures for uncoated polyimide film should not be used as its operating limit.
Electrical Insulation and Electronics Applications
Polyimide tape is used for electrical insulation and precision masking in electronics manufacturing. Potential applications include masking PCB contacts during soldering, protecting selected areas during assembly, and insulating components where the tape meets the electrical and thermal requirements of the design.
Electrical insulation and heat resistance are different properties. This tape does not actively cool components or regulate their temperature. Confirm suitability for the intended application before use.
Available Sizes
Choose from seven widths, from 0.5 inch to 8 inches. Every roll is 36 yards long. The 1.0 mil measurement refers to the film backing; the finished tape, including silicone adhesive, is 2.5 mil thick.
Specifications
| Specification | Value |
|---|---|
| Film thickness | 1.0 mil |
| Total thickness (including adhesive) | 2.5 mil |
| Adhesive type | Silicone |
| Operating temperature | 260°C / 500°F |
| Available widths | 0.5″, 0.75″, 1″, 2″, 3″, 4″, 8″ |
| Roll length | 36 yards |
Adhesion and removal results depend on the surface, preparation, temperature and exposure time. Test on a representative surface before production use.
Our Kapton Tape may be used as an alternative to:
| APT Product | Comparable Products |
|---|---|
| Kapton Polyimide Tape | · 3M 5413 · 3M 8997 · Nitto 221 · Shurtape 6235 · Specialty Tapes S2210 · Ideal 9321 · Dewal 304-1 · Tesa 4428 |
Product suitability may vary depending on application requirements.
Kapton tape questions
What is Kapton tape used for?
Kapton tape is used for high temperature masking and electrical insulation in electronics manufacturing. Typical applications include masking PCB contacts during soldering and protecting selected areas during assembly. Choose the tape according to the process temperature, exposure time, surface and electrical requirements.
Is Kapton tape the same as polyimide tape?
Kapton® is a brand of polyimide film; polyimide describes the material family. Polyimide tapes can differ in film grade, adhesive, thickness and temperature rating, so compare the finished tape specifications rather than relying on the material name alone.
What temperature can this tape withstand?
APT Kapton Polyimide Tape has an operating temperature rating of 260°C (500°F). Check exposure time, surface material and the complete process before use. Temperature figures for uncoated polyimide film are not the operating rating of this adhesive-backed tape.
How thick is this tape, including adhesive?
The polyimide film backing is 1.0 mil thick. Total tape thickness, including the silicone adhesive, is 2.5 mil. Use the total thickness when checking installed clearance or masking height.
Is Kapton tape electrically conductive?
This polyimide tape is intended for electrical insulation, rather than carrying electrical current. Heat resistance does not establish an electrical voltage rating. Contact APT for product-specific electrical data if your design requires a defined insulation performance.
Does Kapton tape leave residue?
Removal results depend on the surface, preparation, temperature, exposure time and removal conditions. Silicone adhesive does not guarantee residue-free removal in every process. Test the tape on a representative surface using your actual process cycle before production use.
Can electrical tape replace Kapton tape?
Substitution depends on the specific tapes and the application. Compare temperature rating, film and total thickness, adhesive, electrical properties and removal requirements. For this APT tape, use the listed 260°C (500°F) operating temperature and 2.5 mil total thickness as part of that comparison.
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