3M™ Polyester Tape 8991
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Details
Highlights
- Works in demanding conditions and high temperatures ranging from -6°F (-5°C) to 4°F (24°C)
- Clean removal during high-temperature applications including powdercoat masking, flashbreaker, and bag sealing applications
- 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
- Waterproof and easily removable
Thin and conformable, 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.
3M™ Polyester Tape 8991 is a general purpose, thin, conformable polyester tape ideal for masking in high temperature applications. The translucent blue backing is tear-resistant. Coated with a silicone adhesive, this tape functions well in masking for powder coating to provide sharp paint lines. It removes cleanly and in one piece from most surfaces, avoiding slivering and breaking. dispensable and appropriate for outdoor use.
Suggested applications
- Masking in e-coating, electroplating and anodizing
- Masking for powdercoat painting
- Flashbreaker tape when pulling through cured coating such as epoxies
- Holding material, securing parts and sealing of vacuum bags during autoclave processes
- Splicing, tabbing and roll closing difficult-to-stick surfaces such as silicone treated liners
Typical Properties
| Adhesive Type | Silicone |
| Applications | Aerospace, Appliance, Automotive, Construction, Electronics, General Industrial, Metalworking, Military and Government, Specialty Vehicle, Transportation |
| Backing (Carrier) Material | Polyester |
| Backing (Carrier) Thickness (Imperial) | 1 in |
| Backing (Carrier) Thickness (Metric) | 0.025 mm |
| Brands | 3M™ |
| Elongation at Break | 100.0 % |
| Industries | General Industrial, Transportation, Appliance, Construction, Automotive, Electronics, Military and Government, Specialty Vehicle, Print |
| Maximum Operating Temperature (Celsius) | 204 °C |
| Maximum Operating Temperature (Fahrenheit) | 400 null |
| Product Colour | Blue |
| Smallest Saleable Unit | Roll |
| Specifications Met | ASTM D3330, ASTM D3652, ASTM D3759 |
| Tensile Strength (Imperial) | 29.0 lb/in |
| Tensile Strength (metric) | 50.8 N/100mm, 508 N/100mm |
| Total Tape Thickness without Liner (Imperial) | 2.4 Milli-inch (mil) |
| Total Tape Thickness without Liner (metric) | 0.06 mm, 0.061 mm |
| Units per Case | 12.0 Roll, 24.0 Roll, 36.0 Roll |
| Overall Length (Imperial) | 72 yd |
| Overall Length (Metric) | 65.8 m, 65.83 m |
| Overall Width (Imperial) | 1 in, 2 in, 3 in |
| Overall Width (Metric) | 2.5 cm, 5.1 cm, 76.2 mm |
Resources
23-936450-e4e-engineered-tapes-reference-guide-pdfa.pdfCatalogs
(PDF, 9MB)
Similar products
| Overall Width (Metric) | 2.5 cm, 5.1 cm, 76.2 mm | |||
| Total Tape Thickness without Liner (metric) | 0.06 mm, 0.061 mm | |||
| Overall Width (Imperial) | 1 in, 2 in, 3 in | |||
| Total Tape Thickness without Liner (Imperial) | 2.4 Milli-inch (mil) | |||
| Backing (Carrier) Material | Polyester | |||
| Product Colour | Blue |
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