| Product Name | 3M™ Aluminum Foil Tape 427 |
| Part Number | 427 |
| 3M Product Number | 427 |
| 3M ID | 7100053642 |
| UPC | 00051125853972 |
| Color | Silver |
| Backing Material | Aluminum Foil (Dead Soft) |
| Adhesive Type | Acrylic (Pressure Sensitive) |
| Overall Width (Imperial) | 13 inches |
| Overall Width (Metric) | 33 centimeters |
| Overall Length (Imperial) | 60 yards |
| Overall Length (Metric) | 54.9 meters |
| Total Tape Thickness without Liner | 4.6 mil |
| Backing (Carrier) Thickness (Imperial) | 2.8 mil |
| Backing (Carrier) Thickness (Metric) | 0.07 millimeters |
| Adhesive Thickness (Imperial) | 1.8 mil |
| Adhesive Thickness (Metric) | 0.05 millimeters |
| Primary Liner | Easy Release Film |
| Primary Liner Thickness (Imperial) | 3.1 mil |
| Primary Liner Thickness (Metric) | 0.08 millimeters |
| Tensile Strength (Imperial) | 28 pounds per inch |
| Tensile Strength (Metric) | 49 Newtons per 100 millimeters |
| Elongation at Break | 6 percent |
| Minimum Operating Temperature (Fahrenheit) | -65°F |
| Minimum Operating Temperature (Celsius) | -54°C |
| Maximum Operating Temperature (Fahrenheit) | 300°F |
| Maximum Operating Temperature (Celsius) | 149°C |
| Smallest Saleable Unit | Roll |
| Quantity per Case | 1 Roll |
| UL Recognition | UL 746C (File E 122798) |
| UL Classification | UL 723 Class L - Low Flammability Rating |
| Federal Specifications | F.A.R 25.853(a) |
| Brand | 3M™ |
| Application Types | Heat shielding, Heat reflecting, Chemical masking, Light enhancement, Chemical milling, Seaming, Sealing, De-paint operations |
| Industries Served | Aerospace, Appliance, Automotive, Construction, Electronics, General Industrial, Metalworking, Military, Specialty Vehicles, Transportation |
| Recommended Applications | Heat shielding of delicate parts, Masking in chemical paint stripping, Moisture barrier, Light reflecting for light enhancement, Chemical milling, Seaming and sealing, Refrigerator and freezer coil attachment, Splicing of thin gauge foils, Plastic protection |
| Use Designation | For industrial/occupational use only. Not for consumer sale or use. |