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3M™ Polyester Tape 8991

Products
  • Works in demanding conditions and high temperatures ranging from -60ºF (-50ºC) to 400ºF (204ºC)
  • Clean removal during high-temperature masking operations such as powder coating
  • High-strength backing resists shrinking, curling, tearing and edge lifting
  • Thin backing leaves sharp, clean paint lines
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Need our tape in a specific shape or size to fit your design?

Converters take our industry-leading adhesive technologies and add their own expertise to turn them into custom converted parts that are perfect for your design.


Specifications
Backing Material
Polyester
Backing Thickness (metric)
0.025 mm
Back-Side Adhesive Thickness (metric)
0.04 mm
Brand
3M™
Elongation at Break
1, 100
Industries
Appliance, Automotive, Construction, Electronics, General Industry, Military and Government, Print, Specialty Vehicle, Transportation
Maximum Operating Temperature (Celsius)
204 Degree Celsius
Product Colour
Blue
Product Form
Roll
Shelf Life in Months (from date of manufacture)
24
Tensile Strength (metric)
50.8 N/100mm, 508 N/100mm
Total Tape Thickness without Liner (metric)
0.06 mm, 0.061 mm
Units per Case
1 Roll, 24 Roll, 36 Roll
Details
  • Works in demanding conditions and high temperatures ranging from -60ºF (-50ºC) to 400ºF (204ºC)
  • Clean removal during high-temperature masking operations such as powder coating
  • High-strength backing resists shrinking, curling, tearing and edge lifting
  • Thin backing leaves sharp, clean paint lines
  • Removes without adhesive residue and leaves a clean finish

Thin and conformable, our 3M™ Polyester Tape 8991 is a general purpose tape that excels in high temperature masking operations such as powder coat painting. Coated with a silicone adhesive, this tape bonds to a variety of difficult surfaces. It is chemical resistant and performs under a wide range of temperatures and environments.

Effectively Mask in High Temperature Applications 3M™ Polyester Tape 8991 is a general purpose polyester tape ideal for masking in high temperature applications. Coated with a silicone adhesive, this tape functions well in masking for powder coating and anodizing to provide sharp paint lines. It removes cleanly and in one-piece from most surfaces, avoiding slivering and breaking. With good chemical resistance, this tape works effectively in chemical processes and demanding work conditions, such as anodizing. The pressure sensitive silicone adhesive performs under a broad range of temperatures ranging from -60°F (-50°C) to 400°F (204°C). Recommended applications: - Masking parts for high temperature powder coat painting - Holding parts or vacuum bags during composite bonding operations - Masking metal surfaces in acid or caustic chemical milling baths - Protective tape reduces scratches during handling and shipping Key characteristics: - Works in demanding conditions and high temperatures ranging from -60ºF (-50ºC) to 400ºF (204ºC) - Clean removal during high-temperature masking operations such as powder coating - Polyester film offers excellent thermal and chemical resistance while maintaining flexibility - Silicone adhesive provides clean removal from a variety of surfaces - Translucent blue backing provides easy identification and positioning

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