For heat shielding applications such as wrapping over and along thermal insulation, use 3M™ High Temperature Aluminum Foil Tape 433L. This dead soft aluminum foil tape is coated with a clear silicone pressure sensitive adhesive that bonds well to a variety of surfaces and excels in high temperature applications, where other adhesive tapes may fail.
Withstand High Temperatures when Seaming, Sealing and Splicing Our 3M™ High Temperature Aluminum Foil Tape 433L is a linered version of our 3M™ High Temperature Aluminum Foil Tape 433 and is suitable for die cutting operations. It is designed to excel in a variety of seaming, splicing and sealing applications where high temperatures are a concern. This dead soft aluminum backed tape is coated with a pressure sensitive silicone adhesive that bonds to a variety of difficult substrates while maintaining a strong and reliable bond, even at high temperatures. This tape boasts an excellent performance range from -65ºF to 600ºF (-54ºC to 316ºC) and meets flame resistance requirements of F.A.R. 25.853(a) and is a UL Recognized component (file QQQW2.MH122798). Recommended Applications • High temperature heat shielding applications • Splice jumbo rolls of aluminum foil • Hold last lap of narrow width rolls during metal annealing process • Cover heating elements or wires to distribute heat
| Adhesive Type | Silicone | |
| Back-Side Adhesive Thickness (metric) | 0.05 mm | |
| Backing (Carrier) Thickness (Metric) | 0.05 mm | |
| Backing Material | Aluminum Foil | |
| Brands | 3M™ | |
| Elongation at Break | 3.5% | |
| Industries | Aerospace, Automotive, Electronics, Appliance, Metalworking, Specialty Vehicle, Construction, Military and Government, Transportation, General Industrial | |
| Maximum Operating Temperature (Celsius) | 316 ℃ | |
| Minimum Operating Temperature (Celsius) | -54 ℃ | |
| Primary Liner | Easy Release Film | |
| Product Color | Silver | |
| Shelf Life | 18 Month | |
| Tensile Strength (Metric) | 35 N/100mm | |
| Total Tape Thickness without Liner (Metric) | 0.089 mm |