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  Metal Foil Tapes  
  3M Aluminum Foil Tapes
Moisture and Chemical Resistant—Help seal and protect many sensitive assemblies and surfaces.
Thermally Conductive—Help maximize efficiency of heating or cooling by increasing transmission over broader area.
Heat and Light Reflective—Help protect plastic components from heat damage. Help improve visibility by magnifying light sources.
Flame Resistant—Help protect parts from flame damage.
Outdoor Weatherable—Resist U.V. degradation, ensures long lasting performance.
Vibration Damping—Damp resonant vibration for noise control.
  3M Lead Foil Tapes
Electrically Conductive—”Thieving” action eliminates metal plating edge build-up.
Acid Resistant—Broad applicability for etching, milling and plating operations.
Malleable—High conformability: can be easily worked with burnishing tools.
High Density—Ideal weighting or balancing medium.
X-ray Opacity—Help protect components from x-rays. Great marker or locator for x-ray inspection operations.
  3M Aluminum Foil/Reinforced Tapes
Highly Conformable and Non-rigidizing—Ideal for spiral wrap heat and flame protection of cables, hoses and harnesses. Wrapped flexible hoses retain flexibility.
High Strength—Good wearability, high tear and puncture resistance.
Flame Resistant—Help protect parts from flame and heat damage.
  3M Damping Foils
Noise Reduction—Unique polymer converts vibration to negligible heat.
Fatigue Reduction—Reduced vibration helps prolong product life.
  Product Information
   
Part No. Tape Structure
(Backing/ Adhesive)		 Backing
Thickness
mils (mm)		 Total
Thickness
mils (mm)		 Adhesion
to Steel oz./in.
(N/100 mm)		 Tensile
Strength lbs./in.
(N/100 mm)		 Elongation
at Break %		 Temperature
Range °F (°C)		 Comments
ATSM Test Method: D-3652 D-3652 D-3330 D-3759 D-3759    
Aluminum Foil Tapes
417 Aluminum/Acrylic Blend 3.0 (0.08) 4.5 (0.11) 74 (81) 30 (525) 9 65 to 300°F
(-54 to 149°C)		 High chemical resistance1, 4
425 Aluminum/Acrylic 2.8 (0.07) 4.6 (0.12) 47 (51) 30 (525) 8 65 to 300°F
(-54 to 149°C)		 Most versatile Aluminum tape1,2, 4
427 Aluminum/Acrylic 3.1 (0.08) 4.9 (0.12) 50 (55) 30 (525) 8 -65 to 300°F
(-54 to 149°C)		 Linered version 425 Tape2, 4
429 Aluminum/Acrylic Blend 3.0 (0.08) 4.5 (0.11) 74 (81) 30 (525) 9 65 to 300°F
(-54 to 149°C)		 Linered version 417 Tape4
431 Aluminum/Acrylic 1.9 (0.05) 3.1 (0.08) 41 (45) 19 (338) 5 -65 to 300°F
(-54 to 149°C)		 Conformable Aluminum tape4
433 Aluminum/Silicone 2.0 (0.05) 3.6 (0.09) 40 (43.8) 20 (350) 3.5 65 to 600°F
(-54 to 316°C)		 MIL-T-470144
433L Aluminum/Silicone 2.0 (0.05) 3.5 (0.09) 38 (42) 20 (350) 3.5 -65 to 600°F
(-54 to 316°C)		 Linered 433 Tape4
438 Aluminum/Acrylic 5.0 (0.13) 7.2 (0.18) 43 (47) 59 (1033) 10 -65 to 300°F
(-54 to 149°C)		 Thickest Aluminum tape4
439 Aluminum/Acrylic 1.9 (0.05) 3.1 (0.08) 41 (45) 18 (315) 3 65 to 300°F
(-54 to 149°C)		 Linered version 431 Tape4
1426 Aluminum/Rubber 1.9 (0.05) 2.9 (0.07) 73 (80) 17 (300) 5 14 to 122°F
(-10 to 50°C)		 General purpose tape
Aluminum Foil/Reinforced Tapes
363 Aluminum/Glass Cloth/Silicone 3.4 (0.09) 7.3 (0.185) 67 (73) 135 (2364) 7 65 to 600°F
(-54 to 316°C)		 Highest temp metal tape 4
1430 Aluminum/Non-Woven/Acrylic 5.0 (0.13) 5.5 (0.14) 22 (24) 19 (333) 12 65 to 300°F
(-54 to 149°C)		 Flexible wrapping tape
3633 Aluminum/Glass Cloth/Acrylic 3.4 (0.09) 5.7 (0.14) 70 (77) 140 (2452) 6 40 to 300°F
(-40 to 149°C)		 Linered flame resistant tape4
Lead Foil Tapes
420 Lead/Rubber 4.7 (0.12) 6.8 (0.17) 45 (49) 20 (350) 12 -60 to 225°F
(-54 to 106°C)		 Linered plating tape5
421 Lead/Rubber 4.0 (0.10) 6.3 (0.16) 31 (34) 15 (263) 14 60 to 225°F
(-54 to 106°C)		 Unlinered plating tape
422 Lead/Acrylic 4.0 (0.10) 5.9 (0.15) 45 (49) 15 (263) 15 -65 to 300°F
(-54 to 149°C)		 Long aging tape
Damping Foils
434 Aluminum/VEP6 5.5 (0.14) 7.5 (0.19) 65 (72) 53 (928) 12 76 to 68°F
(-60 to 20°C)3		 Low temp vibration damping
435 Aluminum/VEP6 8.0 (0.20) 13.5 (0.34) 65 (72) 84 (1470) 12 76 to 68°F
(-60 to 20°C)3		 Low temp vibration damping
436 Aluminum/VEP6 12.0 (0.31) 17.5 (0.45) 65 (72) 126 (2205) 12 76 to 68°F
(-60 to 20°C)3		 Low temp vibration damping
2552 Aluminum/VEP6 10.0 (0.254) 15 (0.381) 50 (55) 80 (1400) 15 40 to 140°F
(5 to 60°C)		 General purpose vibration
damping
   
 
 
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