Which Kapton Tape Do I Need for My Spacecraft Application?
A practical engineering guide for selecting polyimide tapes used on satellites, spacecraft, MLI blankets, launch vehicles, and scientific payloads.
Quick Answer
The correct Kapton® tape depends on four factors: conductivity, adhesive system, mechanical durability, and environmental exposure. Most spacecraft programs choose different constructions for harness routing, MLI blanket fabrication, thermal control, and grounding.
Selection Criteria
- Mission temperature range
- Vacuum compatibility
- Atomic oxygen exposure
- Electrical grounding needs
- Blanket installation method
- Tear resistance
- Outgassing requirements
- Long-term aging
Kapton Tape Comparison
| Type | Best For | Advantages |
|---|---|---|
| Standard Polyimide | General thermal masking & insulation | Lightweight, excellent temperature resistance |
| Conductive Kapton | Grounding & ESD control | Static dissipation, electrical continuity |
| Reinforced Kapton | MLI blanket fabrication | Higher tear resistance |
| Custom Laminates | Mission-specific designs | Tailored performance |
Decision Guide
- Determine whether the tape must conduct electricity.
- Verify environmental and thermal limits.
- Select adhesive chemistry compatible with mission requirements.
- Choose reinforced constructions where repeated handling or blanket assembly is expected.
Engineering Tip: Conductive Kapton tape is not automatically the best choice. If electrical grounding is unnecessary, a non-conductive construction may reduce complexity and cost while still delivering excellent thermal performance.
Related Resources
Need help selecting Kapton tape?
Dunmore engineers help spacecraft manufacturers identify the optimal polyimide tape construction for thermal control systems, MLI blanket fabrication, grounding, and mission-specific applications.
