Polyken*
345

Linerless Foil Tape

345 is a 5 mil linerless foil tape used for aircraft sealing and masking applications and as a moisture barrier.

Backing/Carrier Aluminum
Adhesive Acrylic
Thickness 5 Mils
Tensile 27.00 lbs/in
Elongation 8.00%
Adhesive Activation Pressure
Adhesion (unwind) 56 oz/in
Min. Application Temp 40° F
Min. Service Temp 0° F
Max Short-Term Temp 300° F
Max Long-Term Temp

Product Features

  • Aluminum foil backing provides a vapor barrier protection from moisture, contamination or corrosion
  • Acts as a heat shield, minimizing heat transfer
  • Demonstrates superior conformability adapting to irregular surfaces extremely well
  • Acrylic adhesive system developed for solvent resistance and clean removal from surfaces
  • High adhesion adheres tightly without lifting
  • Excellent aging resistance with long-term bond performance
  • Unwind force: 8
  • Weight: 6 oz./sq. yd.

Adhesive Tape Applications

  • Aircraft sealing and masking applications
  • Used as a window mask to protect aircraft canopies, windshields and passenger window surfaces from craxing and/or hazing during paint stripping operations
  • Used as a moisture barrier
  • Provides protective coverage during maintenance and solvent resistance

Adhesive Tape Colors

  • Aluminum

Converting Services

Precision Cutting, Die Cutting, Slitting, Printing, Laminating and Coating, Spooling and Finishing, Consulting & Process Audit, Prototyping, Inventory Management

At Budnick, we specialize in custom converting these materials into labor saving, user-friendly parts.

Data provided by Budnick Converting, Inc.

The physical properties listed are typical values and are not to be considered as specifications. Our suggestions for use are based on tests we believe to be reliable. However, the purchaser must carry out their own tests to determine the suitability of the product for their internal use. Information is given in good faith, but without warranty.

It is essential, as with all pressure-sensitive tapes, that the surface to which the tape is applied be clean, dry and free of grease and oil.

Shelf life from date of manufacture is based on the product being stored at 70°F(21°C) / 50% relative humidity out of direct sunlight.

Specification compliance is dynamic and should only be used as a general guide. Always confirm that the tape you are interested in currently complies with all specification requirements. Please verify that the product number that you select is available in the proper size and color to meet your specification.