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Permacel/Nitto Denko America P21
Glass Cloth Electrical Tape (Discontinued)

General Information
***DISCONTINUED BY PERMACEL*** Please use Compare-A-Tape to locate a substitute. P21 is a 7 mil electrical glass cloth tape. It is primarily used for splicing, harnessing & protective wrapping of wires & cables. It is super strong, excellent for high temperature exposure and UL listed. P21 has excellent adhesive properties where cure through heat firms the adhesive and gives the tape excellent solvent resistance. Properly cured, P21 becomes firmly bonded to the surface to which it is applied and retains suppleness to withstand flexing without cracking.
Backing Adhesive
(unwind)
Thickness
(total)
Liner Type
(outer)
Fiberglass Rubber 7.00 mil  

Adhesion to Steel
180° Peel
Adhesive Activation Tensile Strength Elongation Percent
50.00 oz/in Pressure 200.00 lbs/in  

Min Application
Temp
Min Service
Temp
Max Short-Term
Temp
Max Long-Term
Temp
40 °F 0 °F    
Adhesive Tape Features
  • Super strong
  • UL listed
  • Solvent resistant
  • Flexible
  • Outstanding abrasion resistance
  • Combines excellent strength, thermal & electrical properties
  • Electrical grade adhesive is non-corrosive against copper
  • Contains no sulfur or injurious agents
  • Performs where high temperature is a factor
Adhesive Tape Applications
  • General electrical maintenance
  • Electrical connection insulator
  • Bundling end turns
  • Lead wire anchoring
  • Wire & cable wrapping & harnessing
  • Back-up welding tape
Adhesive Tape Markets Served
Adhesive Tape Colors
  • Natural

Comparable products
Backing Adhesive Thickness Adhesion
 Fiberglass   Rubber   7.00mil   50.00oz/in 

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Backing Adhesive Thickness Adhesion
 Fiberglass   Rubber   7.00mil   50.00oz/in 

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Backing Adhesive Thickness Adhesion
 Fiberglass   Rubber   7.00mil   40.00oz/in 

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Recommended Rank: 25

Backing Adhesive Thickness Adhesion
       mil   oz/in 

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Recommended Rank: 25

Backing Adhesive Thickness Adhesion
       mil   oz/in 

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Recommended Rank: 25

Backing Adhesive Thickness Adhesion
 Silicone Rubber/Glass Cloth   Rubber   7.00mil   40.00oz/in 

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Pricing Popup Link: <Not Available>

Recommended Rank: 25

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.