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End Caps - Heat Shrinkable Tubing

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Polyolefin Heat Shrink End Caps

With their very heavy wall, adhesive lining, and high voltage rating, Heat Shrink End Caps are a great way to seal the ends of power and communications cables. They are used to form a pressure-tight seal on the end of the cable, and can be applied quickly and easily using a heat gun, or a flameless torch.

How often do you have loose wires or other items that do not connect to something (i.e. with exposed ends)?. These items need to be protected as well as surrounding wires may need to be protected from them. Shrinking end caps are the perfect solution! These end caps shrink to fit and seal the termination point of your cables, wires, tubes, pipes etc and help to prevent corrosion, moisture and chemical damage as well as abrasion. If you need a true watertight seal then the adhesive lining heat shrink end caps can make a watertight seal. The adhesive lining is activated upon the heat shrinking of the cap and then it bonds with the wire/cable enclosure as it cools allowing for this super tight seal. These heat shrink end caps are available in many sizes to suit most needs. Applications for these heat shrink end caps include fiber optic cable and electrical wire sealing, automotive, generators and even aerospace. These end caps have high di-electric insulating and sealing properties.

This high abrasion product exceeds Military Mil-I-81765/1A specification.

The ideal heat shrink temperature for our heat shrink end caps is around 275°F (135°C). To apply the end cap follow these instructions:

1) make sure the cable lead or wire is clean and free of debris

2) Place the end cap over the wire end, and start heating it from the closed end.

3) Work your way towards the open end, evenly shrinking all around the cap.

4) Continue until the adhesive lining begins to seep out the open end.

Features:

  • Dual wall end cap, with internal wall of hot-melt adhesive provides excellent bonding to plastic and metals.
  • Forms pressure-tight seal on ends of communication and power cables
  • Shrink temperature of 120-135C
  • Continuous use temperature of up to 110C
  • 15 kV/mm (381 V/mil) minimum electric strength (e.g. 0.12"=120 mil=45kV)
  • 3 to 1 shrink ratio, so only 6 sizes are needed to cover a range of 0.16" to 5"
  • Adhesive lining will prevent moisture penetration, allowing for long term storage of cable

Heat Shrink Sleeving

Heat Shrink End Caps - Ordering Information

Contact us for Bulk OEM Pricing

Description
Size before shrinking
Size after shrinking
Ordering Information
Nominal
ID Min
Length
ID Max
Wall Thickness
Price each
Add to Cart
1/8" Raychem PD end cap
1/8 inch
0.125
0.87
0.023
0.048
$0.35
3/16" Raychem PD end cap
3/16"
0.187
1.00
0.060
0.062
$0.42
1/4" Raychem PD end cap
1/4"
0.250
1.12
0.080
0.078
$0.45
3/8" heat shrink end cap
3/8"
0.39
1.34
0.16
0.08
$0.65
1/2" heat shrink end cap
1/2"
0.55
1.77
0.18
0.08
$0.78
1" heat shrink end cap
1 inch
1.00
2.76
0.31
0.09
$1.12
1 1/2" heat shrink end cap
1 1/2"
1.38
3.35
0.59
0.12
$1.25
2" heat shrink end cap
2"
2.17
4.33
1.00
0.13
$1.98
3" heat shrink end cap
3"
2.95
5.12
1.38
0.14
$2.15
4" heat shrink end cap
4"
3.94
6.10
1.97
0.16
$2.80
5" heat shrink end cap
5"
4.72
6.10
2.36
0.16
$3.60

 

For $35 extra you can get our economy model heat gun. It has two air speeds, and a temperature control dial for temperatures ranging from 250° to 1100°F

$35
Heat Shrink Tube

Properties

PROPERTY
TEST METHOD
VALUES
Operating Temperature Range
n/a
-55C to 110C
Shrink Temperature
n/a
120C
Tensile Strength
ISO 37
14 Mpa minimum
Ultimate Elongation
ISO 37
400% minimum
Specific Gravity
ISO 1183
1.95 maximum
Electric Strength
IEC 243
15KV/mm minimum
Corrosion(Copper Contact and Copper Mirror)
ASTM D2671
no corrosion
Water Absorption
ISO 62
0.5% maximum

Fluid Resistance

Gasoline
Lubricating Oil
Hydraulic Fluid
Water

ISO 1817





no degradation




Fungus Resistance
ISO 846
no fungal growth

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Military Specification (M23053) and Manufacturers' Cross Reference List

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

General Purpose and Adhesive Lined Heat Shrink Tubing

 
 
2:1 Polyolefin Heat Shrink (most popular)
3:1 Adhesive Lined Heat Shrink (available in 7 colors) 4:1 Polyolefin Heat Shrink  
 
3:1 Polyolefin Heat Shrink
3:1 Medium Wall Adhesive Lined Heat Shrink 4:1 Adhesive Lined Heat Shrink  
 
3:1 Flat Heat Shrink (designed for use on Thermal Transfer Printers)
3:1 Heavy Wall Adhesive Lined Heat Shrink 2:1 Adhesive Lined Heat Shrink  
 
3M™ Heat Shrink Tubing
PVC Heat ShrinkTubing
Fabric Heat Shrink Tubing  

 

High Temperature and Chemical Resistant Heat Shrink Tubing

  Kynar, PVDF heat shrink PTFE Heat Shrink tubing (/12) FEP Heat Shrink tubing (/11)  
  Diesel Resistant Heat Shrink (DR-25, R-120, /16) Viton Heat Shrink (/13) Neoprene Shrink Tubing (/1)  

 

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

  Ultra Thin Wall Polyolefin Heat Shrink Tubing Ultra Thin Wall PVC Heat Shrink Tubing Low Shrink Temperature Polyolefin Heat Shrink Tubing  
Tools and Accessories
  Heat guns Custom Printing and Cutting Expandable Braided Sleeving  
  Heat Shrink Crimp Connectors Heat Shrink Tubing Assortment Heat Shrink End Caps  
  Heat Shrink Tape Electrical Tape Cold Shrink Tubing  
  Cable Ties Heat Shrink Printers Hot Melt Glue Guns  
         

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