Aluminum Foil Tape Selection Guide Datasheet by 3M

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1 / Premium a
3MAluminum Foil Tape 425 is part of a larger family
Premium Lead Product
3M 425 Aluminum Foil Tape
Color
Adhesive
Adhesion to steel
Tensile strength
Elongation
Thickness
Temperature
Higher adhesion
(164 N/100mm)
437
Extreme Durability
(Glass cloth scrim resists abrasion, puncture,
continuous high temperatures)
363, 363L
Vibration Damping
(Reduce structure-borne noise)
2542, 2552, 434, 435, 436
Thicker
(0.18mm thick)
438,438L
Thinner
(0.08mm thick)
431, 439
Reflective
(Light reflection makes light appear brighter)
431
High Conformability
(Electroplating & Anodizing)
(Rubber adhesive for clean removal)
420/421 lead foil
Silver
Acrylic
51 N/ 100mm
490 N/ 100mm
8 %
0.12mm
-65F to 300F (-54C to
149C)
Linered Version 427
High Temperature Silicone
(Up to 600F)
433, 433L
nforced Aluminum Foil/
Industrial Adhesives & Tapes DivisionIndustrial Adhesives & Tapes Division
Lead Foil
420
Lead Foil/ rubber
Dark
Silver
Linered
version of 421 0.17 49 350 Film 12% -51C - 107C
421
Lead Foil/ rubber
Dark
Silver
Self wound
plating tape, conformable backing great for
plating
and anodization 0.16 34 263 NA 14% -51C - 107C
Premium
425/427
Aluminum Foil/
acrylic
Silver
Versatile
, good sealant, chemical masking
, conformable,
on many
customer specs 0.12 51 490 Paper 6% -54C - 149C
431/439
Aluminum Foil/
acrylic
Silver
Conformable,
"Thinner" than 425
439
linered version of 431 0.08 37 302 NA/Paper 3% -51C - 149C
433/433L
Aluminum Foil/
silicone
Silver
High temp, up to 316C (600F)
433L
linered version of 433 0.09 44 350 NA/Film 3.5% -54C - 316C
437
Aluminum Foil/
acrylic
Silver
Aggressive,
high tack adhesive 0.20 164 525 Film 8% -40C - 100C
438/438L
Aluminum Foil/
acrylic
Silver
Heavy duty,
thickest foil backing
, heat resistance
0.18 47 1033 NA 10% -54C - 149C
Reinforced
Foil
363/363L
Aluminum Foil Glass
Cloth/ Silicone
Silver
High tensile strength
, high durability
Temperature up to 316C (600F)
363L
linered version of 363
0.19 57 2364 NA/Film 7% -54C - 316C
Vibration Damping
434
Aluminum Foil/
viscoelastic polymer
Silver
Low temperature
0.19 71 876 Polyethylene 12% -60C -20C
435
Aluminum Foil/
viscoelastic polymer
Silver
Thicker
low temperature 0.34 71 876 Polyethylene 12% -60C -20C
436
Aluminum Foil/
viscoelastic polymer
Silver
Thickest
low temperature 0.44 71 876 Polyethylene 12% -60C -20C
2542
Aluminum Foil/
viscoelastic polymer
Silver
Thinner,
general purpose 0.25 72 1102 Polyethylene 7% -32C - 80C
2552
Aluminum Foil/
viscoelastic polymer
Silver
General purpose
0.38 72 2205 Paper 12% -32C - 80C
Fine tuning: Choosing among Premium Foil solutions
TDS data as of August 9, 2016
2
Product
Why choose vs other products in
the family?
Properties Adhesion to
steel
(N / 100mm)
Tensile
strength
(N / 100mm) Elongation
at break (%)
Tape
thickness
(mm)
Temperature
range (oC)
Construction
Lead Product
Color Data
Sheet
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
TDS
Liner
TDS
TDS
TDS
TDS
TDS
TDS
Meets many industry and
customer specifications

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