| Product Name | 3M™ Aluminum Foil Tape 427 |
| Part Number | 427 |
| 3M Product Number | 427 |
| 3M ID | 7010302890 |
| UPC | 00051125856133 |
| Color | Silver |
| Overall Width (Imperial) | 19 in |
| Overall Width (Metric) | 482.6 mm |
| Overall Length (Imperial) | 60 yd |
| Overall Length (Metric) | 54.86 m |
| Total Tape Thickness without Liner | 4.6 mil |
| Backing (Carrier) Material | Aluminum Foil |
| Backing (Carrier) Thickness (Imperial) | 2.8 mil |
| Backing (Carrier) Thickness (Metric) | 0.07 mm |
| Adhesive Type | Acrylic |
| Adhesive Thickness (Imperial) | 1.8 mil |
| Adhesive Thickness (Metric) | 0.05 mm |
| Primary Liner | Easy Release Film |
| Primary Liner Thickness (Imperial) | 3.1 mil |
| Primary Liner Thickness (Metric) | 0.08 mm |
| Tensile Strength (Imperial) | 28 lb/in |
| Tensile Strength (Metric) | 49 N/100mm |
| Elongation at Break | 6% |
| Maximum Operating Temperature (Fahrenheit) | 300°F |
| Maximum Operating Temperature (Celsius) | 149°C |
| Minimum Operating Temperature (Fahrenheit) | -65°F |
| Minimum Operating Temperature (Celsius) | -54°C |
| Brand | 3M™ |
| Smallest Saleable Unit | Roll |
| Quantity per Case | 1 Roll |
| Specifications Met | FAR 25.853(a), UL 746C, UL 723 Class L |
| UL Recognition | UL Recognized to UL 746C (File E 122798) |
| UL Classification | UL 723 Class L for low flammability rating (File R 7311) |
| Industries | Aerospace, Appliance, Automotive, Construction, Electronics, General Industrial, Metalworking, Military, Military & Government, Specialty Vehicles, Transportation |
| Recommended Applications | Heat shielding, Heat reflecting, Chemical masking, Moisture barrier, Light reflecting, Chemical milling, Seaming and sealing, Refrigerator and freezer coil attachment, Splicing of thin gauge foils, Plastic protection |
