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3M 425 (40 inch / 1000 mm Roll)

ALUMINIUM TAPE (55M) (1000-mm-Roll)
AERO P/N: 115556
3M 425 (40 inch / 1000 mm Roll) 3M 425 (40 inch / 1000 mm Roll)
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Estimated Lead Time: 366 days
Estimated Lead Time: 366 days
$2186.29 excl VAT
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1000 mm (39.37 in) wide high-voltage vinyl electrical tape for insulation and protection of aircraft wiring, harnesses, and power distribution systems, ensuring reliable electrical safety.
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Product Features
OEM
-
OEM Part No.
-
Colour
-
Shelf Life in Months
24
Shelf Life in Days
720
UN No
-
Class
-
PG
-
ECCN
EAR99
Country of Origin
United States
Commodity Code
7607199096
Product Type
Tapes

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Additional Product Information

Overview

3M 425 is a vinyl electrical tape engineered for aerospace applications requiring reliable insulation, abrasion resistance, and conformability. Its wide 1000 mm (39.37 in) format supports large-area wrapping, harness trunking, and protective masking. Aerospace engineers use it to wrap high-voltage cabling, secure wiring bundles, and mark zones within avionics bays, ensuring long-term reliability under vibration and temperature variation.

Key Technical Specs for 3M 425

  • Type: Vinyl electrical insulation tape
  • Size/Volume: 1000 mm (39.37 in) roll width
  • Color: Typically aluminum/silver
  • Viscosity/Consistency: Pressure-sensitive adhesive tape
  • Cure/Working Time: Immediate adhesion
  • Tensile/Peel Strength: Manufacturer specified
  • Shore Hardness: Not applicable
  • Service Temperature: Aerospace operational range
  • Typical Uses: Electrical insulation, harness wrapping
  • Shelf Life: Manufacturer specified

Approvals & Specifications

  • MIL-I-24391
  • AS 1156

Typical Aircraft MRO / AOG Applications

  • High-voltage cable wrapping
  • Harness trunking protection
  • Avionics bay marking and insulation

Compatibility & Safety Notes

  • Ensure clean, dry substrate before application
  • Not intended as structural bonding material

Packaging & Procurement

  • Wide-format 1000 mm roll
  • Suitable for large harness assemblies

Why 3M 425 is Chosen for AOG / MRO

  • Reliable insulation performance
  • Excellent conformability
  • Performs under vibration and ageing

Practical Suggestions for Your Team (AOG Mindset)

  • Apply with uniform tension for optimal adhesion
  • Store in controlled temperature conditions

Manufacture / Aviation Spec Codes

  • Manufacturer: 3M
  • Product ID: 425
  • Spec Codes: MIL-I-24391, AS 1156

Alternative Names & Descriptions

  • 3M Vinyl Electrical Tape
  • Aerospace Harness Insulation Tape
  • Aircraft Wiring Wrap Tape
  • Wide-Format Electrical Protection Tape
Restrictions
Restricted
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no

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  • Orders over £100 online are eligible for FREE UK Mainland delivery.
  • Collection for orders is available for all customers. At Checkout, please select 'Ex-Works/Collection'.
  • European Delivery is available for selected countries. Shipping costs will be calculated according to the weight of the products.
  • Refrigerated shipping required for shipments going by sea or exceeding 7 days transit time.
  • For additional information, please see our shipping page.

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