| Product Name | 3M™ Aluminum Foil Tape 427, LT80 |
| Part Number | 427 |
| 3M Product Number | 427 |
| 3M ID | 7010378526 |
| UPC | 00051128998533 |
| Overall Width (Imperial) | 18 inches |
| Overall Width (Metric) | 457.2 mm |
| Overall Length (Imperial) | 60 yards |
| Overall Length (Metric) | 54.86 meters |
| Total Tape Thickness without Liner (Imperial) | 4.6 mils |
| Backing (Carrier) Thickness (Imperial) | 2.8 mils |
| Backing (Carrier) Thickness (Metric) | 0.07 mm |
| Adhesive Thickness (Imperial) | 1.8 mils |
| Adhesive Thickness (Metric) | 0.05 mm |
| Primary Liner | Easy Release Film |
| Primary Liner Thickness (Imperial) | 3.1 mils |
| Primary Liner Thickness (Metric) | 0.08 mm |
| Backing Material | Aluminum Foil (Dead Soft) |
| Adhesive Type | Acrylic |
| Product Color | Silver |
| Elongation at Break | 6% |
| Tensile Strength (Imperial) | 28 lb/in |
| Tensile Strength (Metric) | 49 N/100mm |
| Maximum Operating Temperature (Fahrenheit) | 300°F |
| Maximum Operating Temperature (Celsius) | 149°C |
| Minimum Operating Temperature (Fahrenheit) | -65°F |
| Minimum Operating Temperature (Celsius) | -54°C |
| Temperature Range | -65°F to 300°F (-54°C to 149°C) |
| Smallest Saleable Unit | Roll |
| Quantity per Case | 1 Roll |
| Brand | 3M™ |
| UL Recognition | UL 746C (File E 122798) |
| UL Classification | UL 723 Class L for Low Flammability |
| Specifications Met | FAR 25.853(a) |
| Industries | Aerospace, Appliance, Automotive, Construction, Electronics, General Industrial, Metalworking, Military, Military & Government, Specialty Vehicles, Transportation |
| Applications | Heat Shielding, Heat Reflecting, Chemical Masking, Light Enhancement, Chemical Milling, Seaming, Sealing, De-paint Operations, HVAC Duct Sealing, Wiring Harness Attachment, Refrigerator and Freezer Coil Attachment |
| Substrate Compatibility | Metal, Composites, Glass, Plastic, Painted Surfaces, Powder Coated Surfaces |
| Environmental Resistance | Flame, Weathering, Moisture, UV Radiation, Chemicals, Solvents |
| Use Type | Industrial/Occupational Use Only |