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3M 55
Polyester Film/ Mat Composite

General Information
A 7.5 mil. tape featuring polyester backing film/ mat with rubber thermosetting acrylic adhesive used as a coil cover and crossover insulation. For maximum solvent resistance and holding properties, 55 tape should be thermoset at one of the following cycles: 1 hour at 300°F; 2 hours at 275°F and 3 hours at 250°F.
Backing Adhesive
(unwind)
Thickness
(total)
Liner Type
(outer)
PET - Polyester Rubber 7.50 mil  

Adhesion to Steel
180° Peel
Adhesive Activation Tensile Strength Elongation Percent
80.00 oz/in Pressure 35.00 lbs/in 30.00%

Min Application
Temp
Min Service
Temp
Max Short-Term
Temp
Max Long-Term
Temp
       
Adhesive Tape Features
  • Polyester backing
  • 7.5 mil. pressure-sensitive, thermosetting rubber adhesive
  • Class B
  • Peel adhesion to backing: 20oz./in.
  • 90 in./ min. unwind: 12oz./in.
  • Insulation resistance: 1 x 10 to the 6th power (1,000,000.)
  • High edge-tear resistance
  • High puncture and abrasion resistance
Adhesive Tape Applications
  • Excellent physical and electrical characteristics
  • Suited for use as a coil cover for end turns, lead pads, core layers and crossover insulations
Adhesive Tape Markets Served
Adhesive Tape Colors

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Converting Options
Converting Services
Budnick Converting offers a number of services to take the product you need and make it perfect for your application.  With converting methods ranging from precision slitting or die-cutting to printing and coating, Budnick has the capabilities to create anything you can dream up. 
Services
Precision Cutting

Die-Cutting

Slitting

Printing

Adhesive Coating

Finishing and Spooling

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.