3M™ High Temperature Aluminum Foil Tape 433 is dead soft aluminum coated with a clear silicone pressure sensitive adhesive. This tape is designed to be used as a heat reflective wrap along or over insulation, applied to tubes, engine support structures, missile ground handling equipment, or as a protector from other heat source areas such as hot areas in steel mills.
Wide performance range from -65ºF to 600ºF (-54ºC to 316ºC)
Widely used as a good holding, splicing, patching or general protecting tape
Flame resistant – meets requirements of F.A.R. 25.853(a)
Conformable tape resists moisture, weather, UV degradation and many chemicals, making it ideal for a variety of applications
3M™ High Temperature Aluminum Foil Tape 433 serves as a good holding, splicing, patching or general protecting tape on many applications involving 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).
Moisture barrier around doors and windows to help prevent fogging of glass
Seal for automotive air bag inflators
To hold insulation on hot air ducts in industry
Cover resistance wire heating elements to distribute the heat
Splice jumbo rolls of aluminum foil or holding the last lap of narrow width rolls in preparation to annealing the rolls
A Full Line of 3M Foil Tapes Available
Aluminum is just one of the metal-backed tapes available from 3M. Many 3M foil tapes resist failure from common sources of degradation, such as: moisture, UV rays and many chemicals. As with all 3M products, our Aluminum Foil Tape 433 comes with 3M technical expertise and application advice.
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In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.
Adhesion Strength (metric)
Backing Thickness (metric)
Transportation, Specialty Vehicle, Metalworking, Construction, Automotive, Military & Government, General Industrial, Appliance, Electronics, Aerospace