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Permacel/Nitto Denko America P21SP
Glass Cloth Electrical Insulating Tape

General Information
***DISCONTINUED BY PERMACEL*** Please use Compare-A-Tape to locate a substitute. P21SP is a new "softer cloth" version of P21 for better conformability. A 7 mil glass cloth for insulating and holding applications involving heavy gauge wire and/or high temperatures. Engineered for a wide range of general industry electrical maintenance applications Also used for splicing and harness wrapping and for protective wrapping of cables and wires. Proerly cured, this product becomes more firmly bonded to the surface to which it is applied. It retains sufficient suppleness to withstand flexing without cracking-becomes firm, but not brittle.
Backing Adhesive
(unwind)
Thickness
(total)
Liner Type
(outer)
Fiberglass Rubber 7.00 mil  

Adhesion to Steel
180° Peel
Adhesive Activation Tensile Strength Elongation Percent
40.00 oz/in Pressure 190.00 lbs/in  

Min Application
Temp
Min Service
Temp
Max Short-Term
Temp
Max Long-Term
Temp
40 °F 0 °F    
Adhesive Tape Features
  • Extremely conformable
  • Features true "2 to 1" characteristics: In uncured state, it has excellent pressure sensitive properties
  • Can be subjected to cure through heat, which firms the adhesive and gives the tape solvent resistance
  • Electrical adhesive is non-corrosive against copper and contains no sulfur or other injurious agents
  • Offers outstanding abrasion resistance
  • Supplied in slit sizes witha pinked edge to eliminate fraying
Adhesive Tape Applications
  • Engineered for a wide range of general industry electrical maintenance applications
  • Used for splicing, harness wrapping & for protective wrapping of cables and wires
Adhesive Tape Markets Served
Adhesive Tape Colors

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

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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.