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Heat Shrinkable Polyolefin End Caps

Polyolefin Heat Shrinkable End Caps are engineered to seal electrical wiring and cable ends while providing mechanical and environmental protection. Shrinkable End Caps are an easy way to provide a permanent, flexible and water-resistant barrier, sealing cable ends and provide reliable protection. When heated above 250°F (121°C) the end caps begins to shrink and forces the adhesive liner to melt and flow, encapsulating the subsurface. When cooled this adhesive forms a flexible bond with a wide variety of rubbers, plastics and metals.

Heat Shrinkable Polyolefin End Caps are an excellent way to stop the fraying of nylon ropes such as dock lines and terminating the ends of braided sleeving.

Polyolefin End Caps can be supplied with release valves for sealing pressurized cables. These valves allow for the release of air and gasses that accumulate during storage due to temperature fluctuations and climate changes.

Polyolefin End Cap Specifications

  • Insulates and seals off wire and splice terminations
  • Protect Against Abrasion, Moisture, Chemicals, and Corrosion
  • Automotive, Electrical, Networking Applications
  • Shrinks at 248°F (120°C)
  • Operating Temp : -67°F to 230°F (-55°C to 110°C)

Fractional Polyolefin Heat Shrink End Caps

SizeExpanded IDRecovered IDSupplied WallRecovered WallLength
1/2 ".472.196.039.0981.375
5/8 ".629.334.039.0982.362
3/4 ".787.334.039.0982.559
1 ".984.433.039.0982.755
1 1/4 "1.181.629.039.1183.149
1 3/8 "1.377.669.039.1023.149
1 5/8 "1.574.590.039.1022.952
2 "2.1651.023.039.0983.935
3 "2.9521.220.039.1254.724
4 "3.9371.574.059.1964.330
4 3/4 "4.7242.244.059.1734.724
5 5/8 "5.5112.480.066.1575.905
8 "7.8743.740.066.1575.905
10 "9.6453.740.066.1575.905

* Minimum Full Recovery Temperature : 266°F ( 130°C )

Metric Polyolefin Heat Shrink End Caps

SizeExpanded IDRecovered IDSupplied WallRecovered WallLength
12/51251.02.535
16/8.5168.51.02.560
20/8.5208.51.02.565
25/1125111.02.570
30/1630161.03.080
35/1735171.02.680
40/1540151.02.675
55/2655261.02.5100
75/3175311.03.2120
100/40100401.55.0110
120/57120571.54.4120
140/63140631.74.0150
200/95200951.74.0150
245/95245951.74.0150

* Minimum Full Recovery Temperature : 266°F ( 130°C )

Request A Quick Quote

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  • Extruded Tubing
  • Convoluted Tubing
  • Heat Shrink Tubing
  • Probe Covers
  • Other
  • Min Order
  • 100 to 200 ft
  • 200 to 500 ft
  • 500 to 1000 ft
  • Other

Office Location

Tef - Cap Industries Inc.
Park Valley Corporate Center
1155 Phoenixville Pike
Suite 103
West Chester, PA 19380
Phone : 610-692-2576
Mon-Fri : 8:00-5:00