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3M™ PTFE Film Tape 5491

3M Product Number  5491     
3M (TM) 5491 PTFE Tape
3M (TM) 5491 PTFE Tape
3M™ PTFE Extruded Film Tape 5491 is a 6.7 mil gray PTFE extruded film tape with silicone adhesive.
  • Gray, 5.0 mil PTFE extruded backing, silicone adhesive, temperature use range -65 degrees F to 500 degrees F
  • Great for lay flat applications, resists curling, high performance, conformable
  • Reduces friction, anti-stick, easy release, sound management, squeak and rattle prevention, noise reduction, chemical resistance, chemical barrier, high strength, abrasion resistance
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2 Results (Displaying results 1-2)
3M IDUPCMarketplace Formal NameColorLengthWidth
70016054101000212001614903M™ PTFE Film Tape 5491 Gray, 3 in x 36 yd 6.5 mil, 3 per case BoxedGray36 Linear Yard3 Inch 
70006384328000511389497233M™ PTFE Film Tape 5491 Gray, 3 in x 36 yd, 3 per case Bulk Mini CaseGray36 Linear Yard3 Inch 
2 Results (Displaying results 1-2)
3M™ PTFE Extruded Film Tape 5491, Thicker version of Tape 5490, PTFE extruded film with silicone adhesive, provides an exceptionally slick surface when applied and resists curling during unwind. Chemical resistant surface for sealing and masking.


Adhesion to Steel oz/in (N/100 mm)35 (38)
Adhesive TypeSilicone
Backing MaterialExtruded PTFE
Backing Thickness5 mil
Backing Thickness (metric)0.13 mm
Elongation200 Percent
IndustriesTransportation, Specialty Vehicle, Metalworking, Automotive, Military & Government, General Industrial, Appliance, Electronics, Aerospace
Length36.09 Linear Yard, 36 Linear Yard, 72 Linear Yard
Length (Metric)65.83 m, 33 m, 32.91 m
Maximum Operating Temperature (Celsius)204 Degree Celsius
Maximum Operating Temperature (Fahrenheit)400 Degree Fahrenheit
Minimum Operating Temperature (Fahrenheit)-65 Degree Fahrenheit
Product FormRoll
Shelf Life in Months (from date of manufacture)18
Tensile Strength40 lb/in
Tensile Strength (metric)700 N/100mm
Total Thickness6.7 mil
Width8 Inch, 0.75 Inch, 5 Inch, 6 Inch, 1.96 Inch, 14 Inch, 1 Inch, 2.98 Inch, 2.5 Inch, 10 Inch, 0.5 Inch, 3 Inch, 4 Inch, 0.25 Inch, 1.5 Inch, 12 Inch, 2 Inch
Width (Metric)76.2 mm, 12.7 mm, 254 mm, 203.2 mm, 19.05 mm, 152.4 mm, 127 mm, 304.8 mm, 75.76 mm, 50.8 mm, 25.4 mm, 63.5 mm, 101.6 mm, 38.1 mm, 6.35 mm, 50 mm, 355.6 mm