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Wirefy Heat Shrink Tubing 1/4 Inch Black - 4:1 Ratio - Adhesive Lined Heatshrink Tubing - Heat Shrink With Glue - 50 Feet Roll - Black | Heavy Duty Heat Shrink Tubing, 1/4 Inch Heat Shrink Tubing

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Free shipping on orders over $29.99

$28.89

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About this item

4:1 SHRINK RATIO - Recovers to 1/4 of its original diameter, and makes a tight seal. Eliminates the problem of 3:1 tubing not shrinking tight enough. The perfect black heat shrink roll. Experience our Adhesive Lined heat shrink tubing roll.
GLUE INSIDE - When heat is applied, adhesive comes out and seals the connection, creating resistant and long-lasting insulation. Our industrial heat-shrink tubing is a must have for every DIY enthusiast. Get to know our adhesive heat shrink tubing.
EASY TO USE - Simply slide heat shrink with adhesive over your connection point and apply heat. Professional connections made in seconds. Explore our electrical black heat shrink tubing, also usable as electrical shrink wrap tubing.
DUAL WALL TUBING - Outer wall provides abrasion resistance. Inner wall creates resistant seal and strain relief. Also included in the set are small heat shrink tubing pieces. With our waterproof heat shrink tubing you are able to fix every wire.
1/4" (6.0mm) SHRINK TUBING DIAMETER - Get the exact diameter you need. 50 Feet of shrink tubing will last through many projects. Experience our heat shrink tube, wire shrink wrap tubing, heat shrink wire tubing and wire heat shrink tubing.

Product Description

Heat Shrink tubing kit wirefy advanced adhesive variety 3:1 ratio

wirefy heat shrink tubing cross-linked polyolefin

HEAT ACTIVATED ADHESIVE

Creates a resistant seal
Greater tensile strength
Resistant to stretch and vibration

4:1 SHRINK RATIO

Recovers to 1/4 of its original diameter
4:1 Tubing is softer tubing than 3:1 4
:1 Tubing slid

RESISTANT

Connection is sealed from the elements
Protection against wire corrosion
Can be submerged under water

Super Versatile Heat Shrink Tubing

Are you looking to fix a damaged wire, seal out moisture, or provide enhanced strain relief? Wirefy resistant heat shrink tubing is an easy to use solution that can be used in automotive, hobby RC, and home electrical wiring projects. It can be used in a variety of applications such as:

Electrical insulation (wire repairs, insulating electrical terminals wires, protecting charging cables, insulating solder joints)
Environmental seal to protect from moisture, UV and fuel
Strain relief for electrical terminals
Identifying wires and cables (color-coding)
Grouping loose wires (usually in wire harnesses)
Creating thermal insulation for heat sensitive components
Protecting surfaces against abrasion, peeling, and denting

4:1 Shrink Ratio Shrink Tube

When heat is applied, this wire shrink wrap tubing will recover to a 1/4 of its original diameter. Its high recovery ratio makes it possible to repair most damaged cable jackets without removing larger connectors. Therefore, 4:1 shrink ratio tubing can be used in significantly more applications compared to 3:1 and 2:1 shrink ratio tubing. Additionally, 4:1 heat-shrink tubing shrinks around wires and terminals more tightly, eliminating any air gaps.

Heat Activated Adhesive Lining

This is a resistant shrink tubing with the internal adhesive layer. When heat is applied, shrink tubing recovers and the internal adhesive layer melts. A small fillet of clear adhesive (about 1 mm wide) becomes visible at the end of the heated tubing. When cooled down, it forms a rigid seal. Heat activated glue strongly adheres to wires, terminals or any other surfaces. When adhesive flows, it pushes the air out and fills any gaps between the wire and the tubing, which makes the connection resistant. For best results we recommend using a heat gun.

Dual Wall Shrink Tubing

Dual wall heat shrink tubing provides better rigidity and abrasion resistance. Dual wall tubing design has the increased ability to stand up to wear and tear. This wire heat shrink tubing is perfect for everyone.

This industrial grade heat shrinkable tubing is compliant with all relevant electrical standards such as: SGS, RoHS, Reach, and ISO9001.

Our Collection of Heat Shrink Tubing

Wirefy assorted heat shrink tubing comes in kits as well as 50 Ft rolls. We offer a great variety of sizes (3/32” to 2”) and colors (black & red).

david s.

Reviewed in Canada on March 2, 2025

Good quality will buy again

Bob Deniel´s

Reviewed in Germany on February 5, 2025

4/1 als Griff ersatz gut hält super

Brett

Reviewed in the United States on February 23, 2025

Shrinks up really well- I used it to hold two battery cables together for the RV. The glue does a great job of expanding to create a watertight seal between two cables.

Wrangler

Reviewed in Canada on February 13, 2025

Awesome product with crazy shrink! It's my go-to now. I used to buy multiple sizes, but this replaced many of them! Don't wait, get it now!

Mott Family

Reviewed in the United States on May 9, 2024

When in doubt, go up a size. My 1/2" would not fit over something that was 0.47".Other than that, it's great.

Trucker Warren

Reviewed in the United States on May 25, 2024

This shrink wrap works really well surprisingly sturdy, and I feel is a great value for what you get. I would highly recommend it.

R. Boyd

Reviewed in the United States on December 30, 2024

This heat-shrink tubing has a good heat-activated adhesive inside of it. There is a good amount of shrink that doesn't require a crazy amount of heat. This tubing is easy to use and stays in place. Not thin walled.

Mugi Mugiono

Reviewed in the United States on November 7, 2024

Good product & will order again in the future

Kirby

Reviewed in the United States on October 15, 2024

I have tried a few dozen different brands over the years, but nothing as compared to the quality of this 4-1 heat shrink. 100% the best we have ever used. We make custom harness’s for use in the custom truck accessories market and use a couple rolls a month. Once you heat shrink something with this product it’s there for life. The adhesive inside it must be a structural product because it’s amazingly strong and water proof.

RYA I.

Reviewed in Mexico on October 15, 2024

mUY BIEN TODO

JOSÉ EMILIO LAGUNA MARTÍNEZ

Reviewed in Mexico on July 18, 2023

El producto cumple con lo que se estaba buscando.

Randy

Reviewed in the United States on June 20, 2022

I’ve been building Jeeps and rods for many years. Every job entails requiring either partial or complete. I have been using ES-1 heat shrink. This is what the OEM’s provide in their harness and pigtail repair kits. It works great, but it can be really hard to find, and expensive once you do. I ran out recently and could not wait for my source to ship. So I decided I would try some of this product. Well, I’m pleasantly surprised. This Wirefy product is a perfect replacement. It has similar shrink ratio, strength, flexibility, and adhesive qualities to the OEM product. There is possibly a minuscule amount less adhesive in the Wirefy product but there is plenty to create a waterproof seal on a pair of wires sealed in parallel. I’m sold and will be using the Wirefy product on all my projects from now on.

Mark Lewellen

Reviewed in the United States on December 22, 2022

I built a DIY 12 channel TRS snake for my studio and the Wirefy heat shrink was a vital part of the success of the project. This product is exactly as advertised and works as good or better than anything I have used prior. This shrink wrap has a very solid water tight look to it and appears as if it will stand the test of time. The 4:1 ratio of shrinkage is an awesome feature as this saved me from buying different sizes of the product. One size met my needs beautifully. I really like how the heat creates a nice little clear plastic seal on each end of the wire. This should provide an extra degree of insulation and stability to my connections on both ends of the snake. I build allot of electronic projects and I make many homemade audio cables for my guitar rig and studio. This will now be my goto choice for shrink wrap in the future.

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