3M 420 (2-Inch-Roll)
LEAD FOIL TAPE (36YD) (2-Inch-Roll)
AERO P/N: 108263
Total Available Stock: 0
UK
USA
Available On Request
Available On Request
Minimum Order Quantity: 6
Estimated Lead Time: 12 days
Estimated Lead Time: 12 days
£257.43 excl VAT
Introducing 3M 420 Polyimide Glass Cloth Tape, a high-temperature glass cloth tape with polyimide backing for demanding aerospace environments. Combining mechanical durability with excellent heat resistance, it is used for insulation, masking, harness protection, and component wrapping in high-temperature aircraft zones.
Product Features
OEM
3M
Brand
3M
OEM Part No.
-
Colour
-
Shelf Life in Months
-
Shelf Life in Days
-
UN No
-
Class
-
PG
-
ECCN
EAR99
Country of Origin
United States
Commodity Code
7804110000
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Information
Additional Product Information
Overview
3M 420 is a high-temperature polyimide (Kapton-type) film / glass cloth tape engineered for demanding aerospace environments. It is widely used in aircraft MRO operations for harness routing, insulation protection, and securing components in areas exposed to elevated temperatures. MRO teams rely on this tape for its dimensional stability, mechanical strength, and dependable performance near engines, heating ducts, and thermal insulation systems.
Key Technical Specs for 3M 420
- Type: Polyimide (Kapton-type) film / glass cloth tape
- Size / Volume: Standard aerospace tape roll formats
- Color: Amber / translucent (typical)
- Viscosity / Consistency: N/A (pressure-sensitive adhesive)
- Cure / Working Time: Instant adhesion, no cure required
- Tensile / Peel Strength: High mechanical strength for aerospace routing and protection
- Shore Hardness: N/A
- Service Temp: High-temperature capable (suitable for engine-adjacent zones)
- Typical Uses: Harness routing, insulation protection, securing insulation blankets, seam covering
- Shelf Life: Typically 12 months when stored correctly
Approvals & Specifications
- Used in accordance with common aerospace thermal protection practices
- Accepted in aircraft MRO environments for high-temperature applications
Typical Aircraft MRO / AOG Applications
- Routing and protecting wiring harnesses in high-heat zones
- Securing insulation blankets near engines and ducts
- Covering seams requiring thermal and adhesive stability
- Rapid AOG insulation and protection fixes
Compatibility & Safety Notes
- Compatible with common aircraft insulation materials and wiring jackets
- Suitable for metallic and composite structures
- Standard PPE recommended during application
Packaging & Procurement
- Supplied in roll form for easy field use
- Lightweight and portable for AOG kits
- Simple peel-and-apply installation
Why 3M 420 is Chosen for AOG / MRO
- Excellent temperature and dimensional stability
- Reliable adhesion in harsh thermal environments
- No cure time, enabling immediate repairs
- Trusted across engine-adjacent aircraft zones
Practical Suggestions for Your Team (AOG Mindset)
- Stock rolls in heat-zone maintenance kits
- Pre-cut common lengths for faster application
- Train crews on proper routing and overlap techniques
Manufacture / Aviation Spec Codes
- Manufacturer: 3M
- Product ID: 3M 420
Alternative Names & Descriptions
- 3M 420 Polyimide Tape
- 3M Kapton-Type High Temperature Tape
- 3M Glass Cloth Polyimide Tape
- Aerospace High-Temperature Insulation Tape
- 3M420
Restrictions
Restrictions
Restricted
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no
Recommended Alternatives
Shipping Information
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