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Fluorinated Ethylene Propylene (FEP) Heat Shrink Tubing

Fluorinated Ethylene Propylene (FEP) heat shrink tubing is a widely used, lower cost alternative to PTFE (Teflon). FEP is sometimes called Teflon (even though that is the wrong name for it). FEP has similar dielectric and frictional properties to PTFE. Although PTFE has superior chemical resistance to FEP, FEP can be used in most applications suited for PTFE. The major difference between the two materials is the continuous use temperature. FEP heat shrinkable tubing is suitable for continuous use at temperatures up to 204°C. FEP heat shrink conforms to Mil-I-23053/11, and UL 94 (V0, VW-1).

Another advantage FEP has over PTFE is its much lower shrink temperature. While PTFE needs a temperature of over 300°C to shrink it, FEP heat shrink can shrink as low as 190°C. This can be a significant advantage when used in conjunction with temperature sensitive components.

FEP is available in 1.6:1 and 1.3:1 shrink ratios.

  • Continuous operating temperature 400°F (204°C)
  • Outstanding chemical resistance is extreme environments.
  • FDA and USP Class VI approved
  • Lower gas permeability than PTFE
  • Increased translucence compared to PTFE
  • Excellent transmission of UV rays
  • Excellent electrical insulation values
  • Flame Rating: UL94 V0 and VW-1
  • Limiting Oxygen index (LOI): greater than 95
  • Gamma, ETO, e-beam and autoclave sterilizable
  • Mil Spec approved (AMS-DTL-23053/11)

Notes on shrinking FEP:
1) As with all fluoropolymers, it is extremely important to make sure that adequate ventilation in the immediate work area is provided PRIOR to beginning the heat shrink process. This cannot be an afterthought, since fumes can cause nausea and dizziness, especially if flames are being used.
2) Only a small degree of recovery is necessary in the shrinking process; however, you may experience a longitudinal (lengthwise) change of up to 10%.
3) As with PTFE, mandrels can act as “heat-sinks”, causing the material to rapidly transition back to the crystalline phase before it gets a chance to shrink. We therefore recommend pre-heating larger diameter mandrels.
4) Slow, even heating of the entire tube is highly recommended to insure uniform shrinkage, and the desired results.
5) If the tubing begins to crack, chances are you overheated the material.
6) Also, higher shrink ratios will require higher shrink temperatures.


Pricing for 1.3:1 FEP Heat Shrink Tubing

Available in Natural. 2-3 week lead time if not in stock.

Please note: The Nominal size listed here for our 1.3:1 FEP Heat shrink is the SIZE AFTER SHRINKING.

View Dimensions, Mil spec part numbers and Technical Specifications

    Mil Spec #

    Size

    Ordering Information
    AMS-DTL-23053
    Before shrinking
    After shrinking

    Price/4FT

    Add to Cart

    Nominal

    ID Min

    ID Max

    Wall Thickness
    /11-101-C

    24 AWG

    0.031"
    0.027"
    0.008"
    $2.75
    /11-102-C

    22 AWG

    0.036"
    0.032"
    0.008"
    $2.90
    /11-103-C

    20 AWG

    0.045"
    0.039"
    0.008"
    $3.00
    /11-104-C

    18 AWG

    0.060"
    0.049"
    0.008"
    $4.00
    /11-105-C

    16 AWG

    0.075"
    0.061"
    0.009"
    $4.00
    /11-106-C

    14 AWG

    0.092"
    0.072"
    0.009"
    $3.25
    /11-107-C

    12 AWG

    0.115"
    0.089"
    0.009"
    $3.30
    /11-108-C

    10 AWG

    0.141"
    0.114"
    0.010"
    $3.60
    /11-109-C

    9 AWG

    0.158"
    0.124"
    0.010"
    $5.15
    /11-110-C

    8 AWG

    0.180"
    0.143"
    0.010"
    $5.40
    /11-111-C

    7 AWG

    0.197"
    0.158"
    0.011"
    $6.05
    /11-112-C

    6 AWG

    0.225"
    0.180"
    0.011"
    $6.30
    /11-113-C

    5 AWG

    0.248"
    0.198"
    0.011"
    $6.60
    /11-114-C

    4 AWG

    0.290"
    0.226"
    0.011"
    $6.98
    /11-115-C

    3 AWG

    0.310"
    0.249"
    0.011"
    $8.13
    /11-116-C

    2 AWG

    0.365"
    0.280"
    0.012"
    $9.00
    /11-117-C

    1 AWG

    0.400"
    0.311"
    0.012"
    $9.50
    /11-118-C
    0 AWG
    0.440"
    0.349"
    0.012"
    $10.50
    /11-119-C
    3/8"
    0.500"
    0.383"
    0.015"
    $18.60
    /11-120-C
    7/16"
    0.580"
    0.448"
    0.020
    $22.40
    /11-121-C
    1/2"
    0.666"
    0.510"
    0.020"
    $25.00
    /11-122-C
    5/8"
    0.830"
    0.637"
    0.025"
    $36.75
    /11-123-C
    3/4"
    1.000"
    0.764"
    0.030"
    $48.00
    /11-124-C
    7/8"
    1.170"
    0.891"
    0.035"
    $64.00
    /11-126-C
    1"
    1.330"
    1.020"
    0.035"
    $64.00
    /11-127-C
    1-1/8"
    1.500"
    1.145"
    0.035"
    $92

*Also available in precut pieces. Please inquire

For other sizes not listed here, please contact us

 

Pricing for 1.6:1 FEP heat shrink tubing

Available in Natural. 2-3 week lead time, please call for Black. Provided in 4 foot lengths.

For longer continuous lengths or precut pieces, please contact us

    View Dimensions, Mil spec part numbers and Technical Specifications

    Mil Spec #

    Size

    Ordering Information
    AMS-DTL-23053
    Before shrinking
    After shrinking

    Price/4FT

    Add to Cart

    Nominal

    ID Min

    ID Max

    Wall Thickness
    /11-201-C

    3/32"

    0.093"
    0.056"
    0.008"
    $10.62
    /11-202-C

    1/8"

    0.125"
    0.075"
    0.010"
    $9.45
    /11-203-C

    3/16"

    0.188"
    0.115"
    0.010"
    $9.55
    /11-204-C

    1/4"

    0.250"
    0.150"
    0.010"
    $9.75
    /11-205-C

    3/8"

    0.375"
    0.225"
    0.012"
    $12.20
    /11-206-C

    1/2"

    0.500"
    0.300"
    0.015"
    $25
    /11-207-C

    3/4"

    0.750"
    0.450"
    0.020"
    $29.25
    /11-208-C

    1"

    1.000"
    0.600"
    0.025"
    $49.50
    /11-209-C
    1 1/2"
    1.500"
    0.900"
    0.030"
    $100
    /11-210-C
    2"
    2.000"
    1.200"
    0.030"
    $112

*Also available in precut pieces. Please inquire

Pricing for FEP Roll Cover heat shrink tubing

Available in Natural. 2-4 week lead time. Wall Thickness - 0.020 Nominal. Please note: this product is non-cancellable, non-returnable. Credit card will be charged at time of ordering

PLEASE NOTE: DUE TO THE EXTREME INSTABILITY IN THE FLUOROPOLYMER MARKET, PRICE IS SUBJECT TO CHANGING, WITHOUT NOTICE

    Size

       
    Ordering Information - Price/ft
    PRICE SUBJECT TO CHANGE WITHOUT NOTICE
    Order As
    to cover Roll Diameter
    1-5 ft
    6-10 ft
    12-16 ft

    18-20 ft

    Add to Cart

    Minimum

    Maximum
    1/2
    0.440
    0.550
    $7.02
    $7.66
    5/8
    0.540
    0.700
    $8.71
    $9.48
    3/4
    0.640
    0.800
    $10.36
    $11.24
    7/8
    0.760
    0.950
    $12.17
    $13.27
    1
    0.880
    1.100
    $13.82
    $15.05

    1-1/4

    1.0
    1.3
    $15.25
    $16.06
    $17.47
    $19.03

    1-1/2

    1.4
    1.7
    $18.17
    $19.12
    $20.83
    $22.07

    2

    1.8
    2.1
    $24.33
    $25.63
    $27.90
    $30.40

    2-1/2

    2.2
    2.6
    $29.66
    $31.22
    $34.01
    $37.11

    3

    2.7
    3.1
    $36.63
    $38.57
    $42.04
    $45.78

    3-1/2

    3.2
    3.6
    $42.77
    $45.01
    $49.06
    $53.50

    4

    3.5
    4.2
    $49.15
    $51.77
    $56.41
    $61.51

    5

    4.4
    5.2
    $61.20
    $64.39
    $70.22
    $76.54
    6
    5.4
    6.2
    $73.48
    $77.33
    $84.28
    $91.89

*Also available in precut pieces. Please inquire

 

Fep Heat Shrink Heat Shrink Tubing Fep Heat Shrink Heat Shrink Tubing

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Heat Guns

VT-1100 with 2 Air Speeds, and a temp. control dial for range of 250°F - 1100°F

Heat Shrink Printer

$35

 

Micro Therm MJ-600 - Pocket sized cordless refillable butane heat source. Great alternative to electric heat guns. Waterproof piezo electronic ignition, safety lock trigger, and a reflector shield for use with heat shrink.

Heat Shrink Printer

$25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heat Guns

VT-1100 with 2 Air Speeds, and a temp. control dial for range of 250°F - 1100°F

$35

 

Micro Therm MJ-600 - Pocket sized cordless refillable butane heat source. Great alternative to electric heat guns. Waterproof piezo electronic ignition, safety lock trigger, and a reflector shield for use with heat shrink.

$25

 

   
 

Military Specification (M23053) and Manufacturers' Cross Reference List

Not sure what you need? Try our new Heat Shrink Selector

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High Temperature and Chemical Resistant Heat Shrink Tubing

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Ultra Thin Wall and Low Shrink Temperature (80°C)Heat Shrink Tubing

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