PTFE/FEP Dual Wall Shrink Tubing

Combines the Best of PTFE and FEP Into One Heat Shrink Tube

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HSTFEDS-SW-0060   

What's special about PTFE/FEP Dual Wall?

  • Combines the tight sealing ability of the PTFE with the moisture-proof seal of FEP
  • Provides the ultimate protection for wires, connectors, and splices
  • High operating temperature (232° C / 450° F) for extreme conditions
  • Also offers great electrical, chemical, and mechanical properties
  • Click for More Features
GSA approvedpass UL VW-1 Flame TestCSA

 

Images

Buy Now! Limited Quantities
DUAL WALL - STANDARD
Please call for immediate availability. 3 week ship time if not in stock.
*4 ft sections are the maximum on dual wall and specialty tubing
Custom Sizes and Cut Pieces are NON-RETURNABLE and NON-REFUNDABLE

PART # NOMINAL SIZE MINIMUM ID
SUPPLIED
MINIMUM ID
SHRUNK
WALL THICKNESS
SHRUNK
PRICE / FOOT
HSTFEDS-SW-0060 1/16" (0.0625") 0.060" Does Not Shrink 0.028"
Qty:  
HSTFEDS-SW-0160 3/32" (0.0938") 0.160" Does Not Shrink 0.032"
Qty:  
HSTFEDS-SW-0190 3/16" (0.1875") 0.190" 0.095" 0.035"
Qty:  
HSTFEDS-SW-0350 3/8" (0.3750") 0.350" 0.190" 0.035"
Qty:  
HSTFEDS-SW-0950 1" 0.950" 0.630" 0.065"
Qty:  

Normally our policy is to supply continuous lengths. If it is absolutely necessary to receive one continuous length, please specify.

 

Buy Now! Limited Quantities
DUAL WALL - LIGHTWEIGHT
Please call for immediate availability. 3 week ship time if not in stock.
4 ft sections are the maximum on Dual Wall and Specialty Tubing
Custom Sizes and Cut Pieces are NON-RETURNABLE and NON-REFUNDABLE

PART # NOMINAL SIZE MINIMUM ID
SUPPLIED
MINIMUM ID
SHRUNK
WALL THICKNESS
SHRUNK
PRICE / FOOT
HSTFEDS-LW-0065 1/16" (0.0625") 0.065" Does Not Shrink 0.015"
Qty:  
HSTFEDS-LW-0115 3/32" (0.0938") 0.115" 0.045" 0.015"
Qty:  
HSTFEDS-LW-0130 1/8" (0.1250") 0.130" 0.060" 0.015"
Qty:  
HSTFEDS-LW-0240 1/4" (0.2500") 0.240" 0.150" 0.020"
Qty:  
HSTFEDS-LW-0350 3/8" ( 0.3750") 0.350" 0.210" 0.025"
Qty:  
HSTFEDS-LW-0700 3/4" (0.7500") 0.700" 0.500" 0.040"
Qty:  
HSTFEDS-LW-1000 1" 1.000" 0.700" 0.045"
Qty:  

Normally our policy is to supply continuous lengths. If it is absolutely necessary to receive one continuous length, please specify.

Our PTFE heat shrink tubing is also available with a "dual-wall" construction. It is constructed with an outer layer of heat shrinkable PTFE and an inner layer of FEP. It is easy to apply, and is designed to provide a tight, moisture-proof bond over wires, cable, connectors, splices, terminal, etc. During application, the PTFE shrinks tightly over inserted parts, while the inner layer of FEP melts and flows to encapsulate parts and provides a tight moisture-proof seal.

  • Available color is Natural (Translucent)
  • Provides all the outstanding electrical, chemical and mechanical properties of PTFE
  • Service temperature of 232° C (450° F)
  • Outer layer of PTFE complies with MIL-I-23053/12
  • Standard packaging is 4 foot lengths
  • Custom specifications and tolerances quoted upon request
  • For military specifications and a manufacturers' cross reference, click here

 

  • Service temperature of 232° C (450° F)
  • Outer layer of PTFE complies with MIL-I-23053/12
  • Standard packaging is 4 foot lengths
  • Measurement Conversion Chart
  • Custom specifications and tolerances quoted upon request

 

DIMENSIONS (inches)

STANDARD WALL LIGHTWEIGHT WALL
Part # As Supplied
I.D. Min.
Recovered Dim.
I.D. Will Shrink
To at Least
After Shrinking
Total Wall
Thickness-Norm.
Item No. As Supplied
I.D. Min.
Recovered Dim.
I.D. Will Shrink
To at Least
After Shrinking
Total Wall
Thickness-Norm.
Not Available 0.036 0.000 N/A HSTFEDS-LW-0065 0.065 0.000 N/A
HSTFEDS-SW-0060 0.060 0.000 N/A HSTFEDS-LW-0115 0.115 0.045 0.015
Not Available 0.130 0.000 N/A HSTFEDS-LW-0130 0.130 0.060 0.015
HSTFEDS-SW-0160 0.160 0.000 N/A HSTFEDS-LW-0180 0.180 0.065 0.015
HSTFEDS-SW-0190 0.190 0.062 0.035 HSTFEDS-LW-0190 0.190 0.070 0.015
HSTFEDS-SW-0250 0.250 0.125 0.035 HSTFEDS-LW-0240 0.240 0.150 0.020
HSTFEDS-SW-0350 0.350 0.190 0.035 HSTFEDS-LW-0350 0.350 0.210 0.025
HSTFEDS-SW-0450 0.450 0.312 0.055 HSTFEDS-LW-0480 0.480 0.315 0.032
HSTFEDS-SW-0700 0.700 0.440 0.055 HSTFEDS-LW-0700 0.700 0.500 0.040
HSTFEDS-SW-0950 0.950 0.630 0.065 HSTFEDS-LW-1000 1.000 0.700 0.045

 

METRIC DIMENSIONS (mm)

STANDARD WALL LIGHTWEIGHT WALL
Part # As Supplied
I.D. Min.
Recovered Dim.
I.D. Will Shrink
To at Least
After Shrinking
Total Wall
Thickness-Norm.
Item No. As Supplied
I.D. Min.
Recovered Dim.
I.D. Will Shrink
To at Least
After Shrinking
Total Wall
Thickness-Norm.
Not Available 0.91 0.000 N/A HSTFEDS-LW-0065 1.65 0.000 N/A
HSTFEDS-SW-0060 1.52 0.000 N/A HSTFEDS-LW-0115 2.92 1.14 0.38
Not Available N/A N/A N/A HSTFEDS-LW-0130 3.30 1.52 0.38
HSTFEDS-SW-0160 4.06 0.000 N/A HSTFEDS-LW-0180 2.92 1.65 0.38
HSTFEDS-SW-0190 4.83 1.57 0.89 HSTFEDS-LW-0190 4.83 1.78 0.38
Not Available N/A N/A N/A HSTFEDS-LW-0240 6.10 3.81 0.51
HSTFEDS-SW-0350 8.89 4.83 0.89 HSTFEDS-LW-0350 8.89 5.33 0.64
HSTFEDS-SW-0450 11.43 7.92 1.40 HSTFEDS-LW-0480 12.19 8.00 0.81
HSTFEDS-SW-0700 17.78 11.18 1.40 HSTFEDS-LW-0700 17.78 12.70 1.02
HSTFEDS-SW-0950 24.13 16.00 1.65 HSTFEDS-LW-1000 25.40 17.78 1.14

Limiting Oxygen Index (LOI)
The ratio of how much oxygen - as compared to other gases - needs to be present in the air surrounding a particular material in order for that material to burn. The fact that Earth's normal atmospheric air contains around 21% oxygen is used a reference point when materials are classified into burn categories that are based on Limiting Oxygen Index. Substances that are combustible in air containing less than 21% oxygen are considered flammable, while those that burn in the range of anything greater than 21% but less than 28% are typically labeled "slow burning". Any material with an LOI that exceeds 28% is classified as self-extinguishing.

In the table below, you'll find a list of polymers commonly found in our heat shrink tubing and braided sleeving products, along with their LOIs and the burn categories each falls into.


MATERIAL ALTERNATE NAME LOI CATEGORY
ECTFE (Ethylene chlorotrifluoroethylene) Halar 64% Self Extinguishing
Nomex N/A 28% Slow Burning
Nylon 6:6 N/A Ranges fron 24-29% Slow Burning to Self Extinguishing
PET (Polyethylene Terephthalate) Mylar (film), Dacron (fiber) Ranges from 21-34% Slow Burning to Self Extinguishing
Polyethylene (PE) N/A 17% Flammable
Polypropylene (PP) polythene (in the UK) 17% Flammable
Polytetrafluoroethylene (PTFE) Teflon 95% Self Extinguishing
Polyvinyl Chloride (PVC) N/A Ranges from 45-49% Self Extinguishing

 

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HOW-TO CORNER -

 

heat gunHeat Shrink Tools/ Heat Guns
From
We offer a range of options to shrink your tubing, from small torches to ovens.
shrink tubingSpecialty Heat Shrink Tubing
Viton®, Neoprene and Diesel-Resistant Heat Shrink are formulated for special types of situations where standard protection would not be enough.
 
FEP Heat Shrink TubingFluorinated Ethylene-Propylene (FEP) Heat Shrink Tubing
From per foot
FEP is used in cases where temperatures are not as extreme, and very high shrink ratios are not necessary.
PTFE Heat Shrink TubingPolytetrafluoroethylene (PTFE)Heat Shrink Tubing
From per foot
PTFE is widely used in military applications because of its high continuous use temperature and outstanding chemical resistance.

Q:Shrinking temperature?

What is the shrinking temperature of this PTFE/FEP Dual Wall Shrink Tubing?

Asked by Anonymous user on

A:Answers

  • - Thank you for your question. The tubing starts shrinking at 374 degrees Fahrenheit.

    Fernando M. on

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