(10) Rolls of Permacel P-440
4-mil PTFE-Coated Teflon Electrical Adhesive
Glass Cloth Tape

No Reserve Price!

This auction is for (10) rolls of Permacel P-440 Teflon Tape
36 Yards Per Roll


Multi-use PTFE-impregnated glass cloth tape designed for use as a release surface in resistance and dielectric heat sealing applications. Widely used for heavy-duty lining of conveyor guides, chutes and slides - wherever a clean, slick and rugged surface is vital to speed up the movement of materials. Also recommended for masking parts placed in chemical, cleaning, stripping or electroplasting baths and solutions...and, to wrap conveyor hangers that pass thru paint and coating lines.


Chemically inert.
High temperature resistance
Boasts a tough, resilient and abrasion resistant backing that exhibits markedly better resistance to cut-thru, cold flow, deformation and shrinkage that unsupported PTFE.
Superior dimensional stability
Low coefficent of friction makes for excellent non-stick and anti-friction characteristics
Performs well under humid conditions...resists wrinkling and blistering...and is tear resistant
Carries a Class 180 C electrical rating.

Technical Data

Length of Roll: 36 yards
Backing material:
  PRFE-impregnated glass cloth
Adhesive:  Cured Silicone
Total tape thickness:  5.0 mils/0.127 mm
Tensile Strength:  60 lbs. per in./10.76 kg per cm
Adhesion to Steel:  32 oz. per in./356 gm per cm
Dielectric Strength:  6,000 volts
Unwind @ 150 FPM:  Must unwind without transfer
Elongation:  2%
Insulation class:  180 C : 356 F

Close-Up Scan of Teflon Tape



As our many customers will attest, we will do our very best to resolve any customer problems.  But our official policy is: 

  • All items sold are guaranteed against D.O.A. only. 
  • All claims must be made within 3 days of receipt. 
  • All warranties are void if the calibration / warranty seals are broken.

Shipping Policy

Shipping to be determined depending on geographical location.  We will make every effort to ship within 24 hours of receipt of payment.  We ship with FedEx only.  We will be glad to ship with other carriers using the purchasers shipping account.  Please contact us to make any special shipping arrangements. For shipping rate research, our shipping address is Boulder, CO USA ---- Zip Code is 80305.

Foreign Buyers:  Unless special provisions have been made, you are responsible for making your own shipping arrangements and all costs related to customs, duties & special packaging requirements.  Please do not ask us to quote you international shipping rates.  Use the address information above to research you own shipping rates.  You can email mstojak@ascentconcepts.com to get the packaging fee, package weight and size for your research.  Items sold outside the USA are sold as is.  

Payment Policy

We accept Credit Card payment through Paypal.   We accept Cashiers Check or Money Orders.

Ascent Concepts and Technologies
is a Research & Development Lab.  As a service to the companies and institutions we work with, we broker their excess equipment & act as application specialists on their new equipment needs.  We are now offering quality used equipment to the public with the same level of professionalism and service.   Please feel free to email at thomasknox@ascentconcepts.com or call Thomas @ 1-303-554-0307 with any Technical questions.  Please feel free to email at mstojak@ascentconcepts.com with any Shipping or Logistical questions. We make every effort to evaluate and guarantee our equipment.  Although we do not provide NIST traceable calibration, we do have extensive in house calibration equipment and make every effort to test and verify performance on equipment we sell.  However we do not warranty any items shipped outside the United States. 

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The equipment shown is a representation only.  We often have multiple units in stock so please email us with your needs.  We have a large inventory and can usually find any test and measurement item in a short time frame.------Inquires info@ascentconcept.com