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3M™ High Temperature Aluminum Foil Tape 433L Silver Linered, 1-3/4 in x 120 yd 3.5 mil, 5 rolls per case Bulk

3M ID  70006382918    UPC#  00051138948375    3M Product Number  433L     
3M(TM) High Temperature Aluminum Foil Tape 433
3M(TM) High Temperature Aluminum Foil Tape 433
For heat shielding applications such as wrapping over and along thermal insulation, use our 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.
  • Linered version of our 3M™ High Temperature Aluminum Foil Tape 433
  • Can withstand limited exposure up to 600ºF/316ºC for heat shielding applications
  • Thermally conductive tape helps dissipate heat to protect temperature sensitive materials
  • Can be used to improve heating and cooling efficiency
  • Dead soft aluminum foil backing conforms to curved and uneven surfaces
  • Flame resistant – meets requirements of F.A.R. 25.853(a)
  • UL Recognized component (file QQQW2.MH122798)
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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


 Adhesion Strength‎‎ 38 oz/in
 Adhesion Strength (metric)‎‎ 42 N/100mm
 Adhesive Type‎‎ Silicone
 Backing Material‎‎ Aluminum Foil
 Backing Thickness‎‎ 2 mil
 Backing Thickness (metric)‎‎ 0.05 mm
 Brand‎‎ 3M
 Color‎‎ Silver
 Consumer Label‎‎ No
 Elongation‎‎ 3.5 Percent
 Industries‎‎ Transportation,‎ Specialty Vehicle,‎ Metalworking,‎ Construction,‎ Automotive,‎ Military & Government,‎ General Industrial,‎ Appliance,‎ Electronics,‎ Aerospace
 Length‎‎ 120 Linear Yard
 Length (Metric)‎‎ 109.72 m
 Maximum Operating Temperature (Celsius)‎‎ 316 Degree Celsius
 Maximum Operating Temperature (Fahrenheit)‎‎ 600 Degree Fahrenheit
 Minimum Operating Temperature (Fahrenheit)‎‎ -65 Degree Fahrenheit
 Primary Liner‎‎ Easy Release Film
 Product Form‎‎ Roll
 Shelf Life in Months (from date of manufacture)‎‎ 18
 Tape Thickness‎‎ 3.5 Milli-inch (mil)
 Tensile Strength‎‎ 20 lb/in
 Tensile Strength (metric)‎‎ 350 N/100mm
 Thickness‎‎ 3.5
 Thickness (Metric)‎‎ 0.089
 Width‎‎ 1.75 Inch
 Width (Metric)‎‎ 44.45 mm