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Venture Tape Corp. / 3M
561

Differential Double Coated Polyester Tape

***Discontinued ask about 3M alternative 561 is a 3.3 mil differentially coated 1/2 mil polyester film coated on the exposed side with an aggressive acrylic adhesive system which has excellent adhesion to most surfaces and performs well at low temperatures as well as high. The liner side is coated with an aggressive rubber-based adhesive system which has excellent quick stick and good surface wet out to high and low energy surfaces.

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 3.3 Mils
Tensile 7.50 lbs/in
Elongation 100.00%
Adhesion (liner) 96 oz/in
Adhesion (unwind) 64 oz/in
Min. Application Temp 35° F
Min. Service Temp
Max Short-Term Temp
Max Long-Term Temp

Product Features

  • Polyester film coated on exposed side with acrylic adhesive and liner side is coated with a rubber-based adhesive
  • Acrylic side has excellent adhesion to most surfaces and performs well at low temperatures as well as high
  • Liner side has excellent quick stick and good surface wet out to high and low energy surfaces
  • Maximum Continuous Use Temperature: Acrylic: 220° Rubber: 175°

Adhesive Tape Applications

  • Laminating foam and gasket material
  • Laminating dissimilar substrates and mounting applications of all materials.

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!