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Adchem Corp. / Berry Plastics
4378M

Double Coated Polyester Film

4378M has a 0.5mil, double coated polyester backing & is used to bond to a variety of ether, ester and low perm foams. 4378M is constructed by coating two high tack, high heat resistance acrylic adhesives on a 0.5 mil poyester film.

Product Properties Related Information Custom Quote

Converting Services

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

Backing/Carrier PET - Polyester
Adhesive Acrylic
Thickness 4.3 Mils
Tensile
Elongation
Adhesion (liner) 56 oz/in
Adhesion (unwind) 48 oz/in
Min. Application Temp 40° F
Min. Service Temp 0° F
Max Short-Term Temp
Max Long-Term Temp

Product Features

  • Static shear: 1"^2x1,000g 168+ hours
  • Excellent adhesion to a broad spectrum of foam substrates
  • High tack, high adhesion acrylic adhesion (on both liner and exposed side)
  • High heat resistance
  • Biostatic additive inhibits microbial growth

Adhesive Tape Applications

  • Bonds to:
  • Ester
  • Ether
  • Low permurethane foams

Comparable Products

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.

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For decades Budnick has provided customized solutions for specialty adhesive applications designed specifically for manufacturers. Whether you're looking to speed up production, improve product performance, or protect your products during transport, Budnick has a solution for your needs!