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

2:1 Heat Shrink Tubing

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

2:1 Heat Shrinkable Braided Sleeving

Widely used to protect rubber hoses, plastic pipes and wire harnesses from damage.
from $1.46
3:1 Heat Shrink Tubing  3:1 Heat Shrink Tubing

3:1 Heat Shrink Tubing

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 $10.68

3:1 Adhesive Lined Medium Wall Heat Shrink Tube

Stronger than dual wall heat shrink tubing, but with added sealant layer.
from $5.99

3:1 Adhesive Lined Dual Wall Heat Shrink Tubes

Twice the thinkness of single wall heat shrink tubing with an adhesive inside liner.
from $7.50

3:1 Adhesive Lined Heavy Wall Heat Shrink Tubing

Our strongest 3 to 1 heat shrink tube.
from $9.19
4:1 Heat Shrink Tubing  4:1 Heat Shrink Tubing

4:1 Adhesive Lined Dual Wall Heat Shrink Tubes

Shrinks to 25% of its original size, high expansion ratio.
from $8.50
6:1 Heat Shrink Tubing  6:1 Heat Shrink Tubing

6:1 Heavy Wall Heat Shrinkable Tubing

from $18.08

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 $26.12
Specialty Heat Shrink  Specialty Heat Shrink

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.
from $1.73

2:1 Conductive Heat Shrink Wire Connectors

Connect live wires and cables using EMC Conductive Heat Shrink.
from $4.50

Shield 2:1 Heat Shrink Tubing

from $36.40

2:1 Ratio Kynar Flame Retardant Heat Shrink Tubing

Semi-rigid transparent material suitable for military, aerospace, and industrial applications.
from $0.99

Viton Hi-Temp Fluoroelastomer Heat Shrink Tubing

Dual Wall Rubber-Like flexible heat shrink tubing that withstands exterme environments.
from $2.50

Cold Shrink Tubing

Leave the heat behind when using this cold shrink tubing
from $5.99

Shrinkflex 2:1 Fabric Heat Shrink Tubing

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

Kynar 2:1 Heat Shrink Tubing

from $5.12

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 $305.16

Kynar Heat Shrink Sleeve (Polyvinylidene Fluoride)

from $5.49
Heat Shrink Kits  Heat Shrink Kits

2:1 Heat Shrink Boxed KITS

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 $8.49

590 Piece Assorted Heat Shrink Kit

Sizes ranging from 3/64" to 1".
Different Lengths and colors.
from $24.99

3: 1 Dual Wall Adhesive Lined 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 $15.99
Shrink Boots & Caps  Shrink Boots & Caps

Heat Shrink End Caps & End Caps with Valves

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

Heat Shrink Breakout Boots - Electriduct

Insulate and seal cable breakouts in multiconductor cable runs.
from $3.50

Heat Shrink Solder Sleeve Crimpless Terminator - Electriduct

These one-step wire terminators offers electrical termination across many appications.
from $0.99

Heat Shrink Butt Connectors - Electriduct

A seamless butt splice connector with brazed seam rings and spades for low profile applications.
from $0.81

Heat Shrink Ring Terminals - Electriduct

Also known as ring tongue connectors, are easy to install by crimping to your wire and fastening them with a screw, bolt or stud.
from $0.90

Krimpa-Seal Heat Shrink Butt Splices and Ring Terminal Kits

from $13.89

Krimpa Step Down Butt Splices

Insulated and Uninsulated butt splice wire connectors
from $14.97

HydraLink Sealed Multiple Wire Closed End and In-Line Butt Connectors

Adhesive sealed wire connectors that can work with 4 wires at once.
from $23.42

Elektralink™ Sealed Solder Butt Splices & Ring Terminal Kits

from $20.27

Multilink™ Crimp and Solder Sealed Butt Splices & Terminal Kits

from $44.75
Heat Shrink Tools  Heat Shrink Tools

Micro-Therm MJ-600 Heat Gun

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

Variable Temperature Heat Guns - Electriduct

from $29.99

VT-1100 Heat Gun

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

Solder-It SolderPRO 120 Multifunction Tool

For Soldering, Heat Gun and Hot Knife.
from $89.99

Heat Shrink

Heat Shrink, invented by the 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.


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.

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