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3M™ Polyester Tape 8402 Green, 26 in x 72 yd, 1 per case Bulk

3M ID  70006394731    UPC#  00051138961107    3M Product Number  8402     
Polyester Silicone Adhesive Tape 8402
Polyester Silicone Adhesive Tape 8402
3M™ Polyester Tape 8402 is a green 1.9 mil (0.05 mm) polyester film tape with green pigmented silicone adhesive for composite bonding and splicing of many silicone coated papers and films. The tape is chemical and thermal resistant, making it well-suited for use in splicing or masking.
  • Abrasion, chemical and thermal resistant
  • Works in demanding conditions and retains flexibility from -60°F (-50°C) to 350°F (176°C)
  • Superb adhesion with easy and clean removability
  • Higher heat resistance than acrylic adhesives
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3M™ Polyester Tape 8402, is ideal for masking in high temperature applications and adheres well to silicone coated surfaces. The green color and silicone adhesive make for easier identification and application when splicing silicone treated paper.

Application ideas:

  • Masking edges of overlap seams in metal bonding process where the excess epoxy (flash) flows on the tape
  • Protective tape reduces scratches during handling prior to bonding operations
  • Holding of parts or vacuum bags during bonding operation
  • Maskant for metal in acid or caustic chemical milling baths
  • Paint mask for areas subject to higher temperature bake cycles
  • Splicing of silicone liners and papers
  • Splicing of films subject to high temperatures

This tape functions well as a masking tape or in splicing operations, such as splicing of silicone liners and papers and films subject to high temperatures. Regardless of the application, cleanup is simple; just remove the tape and the cleanup is complete. This clean removing, high strength tape helps save time and keeps operations running smoothly.

Clean Application and Removal
One of the main reasons why this product is known and trusted for use in so many industries is because of its broad temperature compatibility. When put to the test, this tape continues to work effectively in some of the most demanding work conditions. The pressure sensitive silicone adhesive is ideal for high temperatures up to 400°F (204°C) with clean removal during high-temperature masking operations. This product can also be used in temperatures as low as -60°F (-50°C). This represents superior heat resistance when compared with acrylic adhesives. Our 3M™ Polyester Tape 8402 has long service life and is designed to remain firmly adhered and flexible.


 Adhesion Strength‎‎ 24 oz/in
 Adhesion Strength (metric)‎‎ 26 N/100mm
 Adhesive Type‎‎ Silicone
 Applications‎‎ Splicing Silicone Treated Papers,‎ Butt Splicing and Core Starting
 Backing Material‎‎ Polyester
 Backing Thickness‎‎ 0.9 mil
 Backing Thickness (metric)‎‎ 0.02 mm
 Brand‎‎ 3M
 Color‎‎ Translucent Green
 Consumer Label‎‎ No
 Elongation‎‎ 100 Percent
 Industries‎‎ Transportation,‎ Specialty Vehicle,‎ Construction,‎ Automotive,‎ Military & Government,‎ General Industrial,‎ Appliance,‎ Electronics,‎ Print
 Length‎‎ 72 Linear Yard
 Length (Metric)‎‎ 65.83 m
 Maximum Operating Temperature (Celsius)‎‎ 218 Degree Celsius
 Maximum Operating Temperature (Fahrenheit)‎‎ 425 Degree Fahrenheit
 Minimum Operating Temperature (Fahrenheit)‎‎ -60 Degree Fahrenheit
 Product Form‎‎ Roll
 Shelf Life in Months (from date of manufacture)‎‎ 12
 Tape Thickness‎‎ 1.9 Milli-inch (mil)
 Tensile Strength‎‎ 25 lb/in
 Tensile Strength (metric)‎‎ 438 N/100mm
 Width‎‎ 26 Inch
 Width (Metric)‎‎ 660.4 mm