3M Heavy Duty Aluminum Foil Tape 438, Silver, 4 in x 60 yd, 7.2 mil
3M Heavy Duty Aluminum Foil Tape 438, Silver, 4 in x 60 yd, 7.2 mil
3M Heavy Duty Aluminum Foil Tape 438, Silver, 4 in x 60 yd, 7.2 mil
3M Heavy Duty Aluminum Foil Tape 438, Silver, 4 in x 60 yd, 7.2 mil
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3M Heavy Duty Aluminum Foil Tape 438, Silver, 4 in x 60 yd, 7.2 mil

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Extended Handling May Be Required
  • Heavy duty dead soft aluminum foil backing provides increased effectiveness for head shielding in demanding applications
  • Highly engineered acrylic adhesive provides long term durability, but removes cleanly after harsh masking applications
  • Withstands exposure to flame, weathering, moisture and UV
  • Heat and light reflective tape protects surfaces and enhances lighting efficiency
  • Recognized by UL to UL 746C and Classified by UL to UL 723, Class "L" for low flammability rating
Overview
3M Heavy Duty Aluminum Foil Tape 438 is a high-performance foil tape designed for numerous applications across a broad range of industries. Comprised of a dead soft aluminum foil backing with a highly engineered pressure sensitive acrylic adhesive, it is ideal for heat shielding, heat reflecting, seaming and sealing.

Withstands Exposure to High Heat and Humidity
Consisting of a dead soft, thermally conductive aluminum backing, 3M™ Heavy Duty Aluminum Foil Tape 438 dissipates heat over the surface of the tape to reduce hot spots and protect the substrate from the effects of high temperatures. Coated with our highly engineered acrylic adhesive, it is capable of withstanding exposure to high heat and humidity while maintaining a strong and reliable bond. This tape can withstand a variety of moisture, weathering, UV and solvents in order to provide an excellent work life, indoors or out.

3M™ Aluminum Foil Tape 438 is UL Recognized to UL 746C (File E 122798) and Classified by UL to UL 723 "L" for low flammability rating (File R 7311). It meets F.A.R 25.853(a). Temperature use range is from -65° to 300°F (-54° to 149°C).

Recommended Applications

  • Heat shielding of delicate parts
  • Heat reflecting
  • Moisture barrier
  • Seaming and sealing
  • Refrigerator and freezer coil attachment
  • Plastic protection against heat and UV exposure
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3M Heavy Duty Aluminum Foil Tape 438, Silver, 4 in x 60 yd, 7.2 mil

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Specifications
General Information
Brand
3M™
Adhesive Type
Acrylic
Country Of Origin
United States
Sold As
Case
Lead Time
40 days
California Residents
Proposition 65 Warning
Return Policy
NCNR - Non-Cancellable / Non-Returnable
Dimensions and Specifications
Back Side Adhesive Thickness (Metric)
0.13 mm
Backing (Carrier) Thickness (Imperial)
5 mil
Backing (Carrier) Thickness (Metric)
0.13 mm
Maximum Operating Temperature (Celsius)
149 Degree Celsius
Maximum Operating Temperature (Fahrenheit)
300 Degree Fahrenheit
Minimum Operating Temperature (Celsius)
-54 Degree Celsius
Minimum Operating Temperature (Fahrenheit)
-65 Degree Fahrenheit
Overall Length (Metric)
54.86 m
Overall Width (Imperial)
4 in
Overall Width (Metric)
101.6 mm
Tensile Strength (Imperial)
59.0 lb/in
Tensile Strength (Metric)
1033 N/100mm
Total Tape Thickness Without Liner (Imperial)
7.2 mil
Total Tape Thickness Without Liner (Metric)
0.18 mm
Width
0.19 yd
0.17 m
Height
0.19 yd
0.17 m
Length
0.37 yd
0.34 m
Volume
604.78 cubic inch
9910.64 cm3
Weight
11 lb
4.99 kg
Other Details
Elongation At Break
10.0 %
Tensile Strength Imperial
59.0
Material and Composition
Backing Material
Aluminum Foil
Shelf Life
730
Color and Appearance
Product Color
Silver
Resources
Datasheet
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