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Heat Shrink and Heat Shrink End Caps

Heat Shrink

Heat Shrink, invented by Raychem Corporation, is a tube that shrinks in diameter when heat is added. The diameter and thickness can vary, but they are all rated according to their expansion ratio. Heat shrink comes in a variety of colors for easier color coding of wires and connections. Heat tubing insulates cables and wires and offers abrasion resistance as well as environmental protection for conductors, connections, and provides a snug fit over irregular shaped joints. It also offers protection from dust, solvents, and other foreign materials.

Usually heat-shrink tubing is manufactured from polyolefin fluoroplymer (FEP, PTFE, KYNAR), PVC, Neoprene, Viton or Silicone Elastomer. These materials are often cross-linked to help the tubing maintain its shape, before and after shrinking. Tubing that is meant to be used outdoors is generally treated with a UV stabilizer.

Currently the leading global producers are Tyco, 3M, and Sumitomo Electric Industries.

Heat Shrink Rations:

  1. 2:1 - Shrinks to half of its original diameter.
  2. 3:1 - Shrinks to a third of its original diameter.
  3. 4:1 - Shrinks to a fourth of its original diameter.
  4. 6:1 - Shrinks to a sixth of its original diameter.

Types of Heat Shrink:

  1. Thin Wall: used in confined and tight spaces to bundle, insulate or identify cables.
  2. Medium Wall: ideal for direct burial of heavy duty electrical cable, or where environmental protection is needed.
  3. Thick or Heavy-duty Wall: great for electrical insulation, waterproofing and mechanical protection of tubes or wires.
  4. Heat Shrink Kits: varity of sizes and colors to suit most applications.
  5. Heat Shrink End Caps: shaped like small mugs, may be used to insulate cut ends of wires and cables, as well as provide extra protection against moisture and abrasion.
  6. Specialty Heat Shrink: PTFE (offers the lowest coefficient of friction), Neoprene (exceptional fluid and solvent resistance), Viton (ideal for cable bundling and protection)

How to Use:

Generally the tubing is positioned over the connection to be protected and then heated with an oven, heat gun, or hot air. There are other methods to shrink the tubing such as using a soldering gun or open flame, but they are less effective. Car should be given when using heat tubing as it can melt or catch fire like any other plastic.

Uses:

Heat shrink tubing is used to insulate wires and cables, as well as to protect them from minor abrasions. It is also used to repair wires, bundling, and create seals for cable entries and connections. Heat shrink is used in home electrical systems, aerospace, military, telecom, computers, aviation and more.

Sub-Categories
2:1 Heat Shrink Tubing

2:1 Heat Shrink Tubing
3:1 Heat Shrink Tubing

3:1 Heat Shrink Tubing
6:1 Heat Shrink Tube

6:1 Heat Shrink Tube
Conductive Heat Shrink

Conductive Heat Shrink
Specialty Heat Shrink

Specialty Heat Shrink
Heat Shrink Kits

Heat Shrink Kits
Shrink Boots & Caps

Shrink Boots & Caps
Heat Shrink Tools

Heat Shrink Tools

Products (Total Items: 19)

2:1 Heat Shrink Tubing (By the Foot)

2:1 Polyolefin heat shrink is most commonly used for insulation, strain relief, or color coding due to its lower shrink ratio.
from $0.40
 

3:1 Heat Shrink Tubing (Black and Clear)

3:1 heat shrink tubing is ideal for applications such as wire harnesses, where you need the material to have a large enough diameter to get over bulky connectors, yet you still need it to shrink down to a smaller size.
from $0.53
 

Heat Shrink End Caps

Heat shrink end cap tubing provides perfect protection against moisture, abrasion or any other types of chemicals that may be hazardous to your wires or cables. The heat shrink end caps can also be of great use with conduit, pipes and other related objects.
from $0.70
 

3:1 Heat Shrink Tubing (Colors)

3:1 heat shrink tubing is ideal for applications such as wire harnesses, where you need the material to have a large enough diameter to get over bulky connectors, yet you still need it to shrink down to a smaller size.
from $0.91
 

Polytetrafluoroethylene (PTFE) Heat Shrink Tubing

If you have an advanced application that requires the advanced properties of PTFE then this is the polymer of choice. It has the lowest coefficient of friction any polymer has ever seen and offers a wide working temperature range. Whether you are working on a complex application or a simple solution, you can rely on PTFE which has been designed into products like advanced medical devices and high temperature industrial equipment.
from $1.73
 

Shrinkflex 2:1 Fabric Heat Shrink Tubing

Part heat shrink, part braided sleeving equals total protection.
from $2.78
 

2:1 Conductive Heat Shrink Wire Connectors

Connect live wires and cables using EMC Conductive Heat Shrink.
from $3.99
 

Heat Shrink Breakout Boots - Electriduct

from $4.37
 

2:1 Heat Shrink Boxed Kits (2.5" & 4")

The heat shrink tubing kits offers you a variety of sizes and in the 4” tubing a variety of different colors. This tubing is a flexible heat shrink tubing for the general business market and can even be used for common household applications.
from $10.99
 

2:1 Heat Shrink Tubing (Mini Spool)

2:1 Polyolefin heat shrink is most commonly used for insulation, strain relief, or color coding due to its lower shrink ratio.
from $11.27
 

Adhesive Lined Cross-Linked Heat Shrinkable Tape

Just wrap this tape around your wires, heat it up, and presto!
from $13.99
 

6:1 Heavy Wall Heat Shrinkable Tubing

from $18.08
 

Dual Wall Heat-Shrinkable Tubing Kit

Dual Wall Heat Shrinkable Tube is flexible with thermoplastic adhesive, which melt and flow to seal components. It is used for moisture protection and is waterproof of harnesses and connectors.
from $19.99
 

6:1 High Ratio Heat Shrink Tubing

The Heat shrink tubing provides complete environmental protection and insulation , great for creating weatherproof seals for large cable bundles.
from $21.23
 

Micro-Therm Heat Gun

The Micro-Therm Heat Gun makes electrical heat guns a thing of the past.
from $29.95
 

2:1 Heat Shrink Tubing (Spool)

2:1 Polyolefin heat shrink is most commonly used for insulation, strain relief, or color coding due to its lower shrink ratio.
from $37.56
 

VT-1100 Heat Gun

A great Heat Gun and a resonable price.
from $59.99
 

Neoprene Heat Shrink Tubing

Neoprene offers exceptional fluid and solvent resistance and can also be used for insulation, strain relief, or abrasion resistance.
from $220.50
 

Viton Heat Shrink Tubing

With a 2:1 shrink ratio, it is ideal for uses such as cable bundling and protection, as well as wire harnesses and component covers.
from $475.00
 

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