3M Aluminum Foil Tape 439, Silver, 3 1/2 in x 60 yd, 3.1 mil
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3M Aluminum Foil Tape 439, Silver, 3 1/2 in x 60 yd, 3.1 mil

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Extended Handling May Be Required
  • Linered version of our 3M™ Aluminum Foil Tape 431
  • Thermally conductive tape helps dissipate heat and improves heating and cooling efficiency to protect temperature sensitive materials
  • Highly engineered acrylic adhesive provides long term durability, but removes cleanly after harsh masking applications
  • Dead soft aluminum foil backing conforms to curved and uneven surfaces
  • Withstands exposure to flame, weathering, moisture and UV
  • Heat and light reflective tape protects surfaces and enhances lighting efficiency
  • Classified by UL to UL 723, Class "L" for low flammability rating
Overview
3M Aluminum Foil Tape 439 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, light enhancement, seaming and sealing.

Withstands Exposure to High Heat and Humidity
Consisting of a dead soft, thermally conductive aluminum backing, 3M™ Aluminum Foil Tape 439 dissipates heat over the surface of the tape to reduce hot spots and protect the substrate from the effects of high temperatures. It is a linered version of our 3M™ Aluminum Foil Tape 431, making it suitable for die cutting applications. 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.

Recommended Applications
  • Heat shielding of delicate parts
  • Heat reflecting
  • Moisture barrier
  • Light reflecting for light enhancement
  • Seaming and sealing
  • Refrigerator and freezer coil attachment
  • Plastic protection

3M™ Aluminum Foil Tape 439 is 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).

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3M Aluminum Foil Tape 439, Silver, 3 1/2 in x 60 yd, 3.1 mil

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Specifications
General Information
Brand
3M™
Adhesive Type
Acrylic
Country Of Origin
United States
Sold As
Case
Lead Time
14 days
California Residents
Proposition 65 Warning
Return Policy
NCNR - Non-Cancellable / Non-Returnable
Dimensions and Specifications
Back Side Adhesive Thickness (Metric)
0.05 mm
Backing (Carrier) Thickness (Imperial)
1.9 mil
Backing (Carrier) Thickness (Metric)
0.05 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 (Imperial)
60 yd
Overall Length (Metric)
54.86 m
Overall Width (Imperial)
3.5 in
Overall Width (Metric)
88.9 mm
Tensile Strength (Imperial)
18.0 lb/in
Tensile Strength (Metric)
315 N/100mm
Total Tape Thickness Without Liner (Imperial)
3.1 mil
Total Tape Thickness Without Liner (Metric)
0.08 mm
Overall Length Imperial
60.0
Width
13.37 in
33.97 cm
Height
14 in
35.56 cm
Length
13.06 in
33.18 cm
Volume
2446.01 cubic inch
40082.91 cm3
Weight
35.68 lb
16.19 kg
Other Details
Elongation At Break
3.0 %
Primary Liner
Kraft Paper with Silicone Release
Tensile Strength Imperial
18.0
Material and Composition
Backing Material
Aluminum Foil
Shelf Life
730
Color and Appearance
Product Color
Silver
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