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Wirefy 1/4" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - a resistant Heat Shrink - Black - 50 Feet Roll
$23.99
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Wirefy 1/2" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - a resistant Heat Shrink - Black - 50 Feet Roll
$36.99
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Wirefy 3/16" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Resistant Heat Shrink - Black - 50 Feet Roll
$21.99
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Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Resistant Heat Shrink - Black - 50 Feet Roll

4.8 4.8 out of 5 stars 2,474 ratings
$29.99 $0.60 per Foot
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3/8" - 50 Feet
Black
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Purchase options and add-ons

Brand Wirefy
Material Polyolefin
Color Black
Product Dimensions 600"L x 0.37"W
Item Weight 1.1 Pounds
Nominal Wall Thickness 9.5 month

About this item

  • 3:1 SHRINK RATIO - Recovers to 1/3 of its original diameter, and makes a tight seal. Eliminates the problem of 2:1 tubing not shrinking tight enough.
  • GLUE INSIDE - When heat is applied, adhesive comes out and seals the connection. This creates resistant and long-lasting insulation.
  • EASY TO USE - Simply slide heat shrink tube over your connection point and apply heat. Make professional insulated connections in seconds.
  • DUAL WALL TUBING - Provides enhanced protection from wear and tear. Industrial grade tubing is resistant to fluids, heat, and mechanical stretch.
  • 3/8 INCH (9.5mm) SHRINK TUBING DIAMETER - Get the exact diameter you need. 50 Feet of shrink tubing will last through many projects.

Customers usually keep this item

This product has fewer returns than average compared to similar products.

Frequently bought together

Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Resistant Heat Shrink - Black - 50 Feet Roll
$29.99 ($0.60/Foot)
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Sold by NobleTech and ships from Amazon Fulfillment.
+
Wirefy 1/4" Heat Shrink Tubing - 4:1 Ratio - Adhesive Lined - a resistant Heat Shrink - 50 Feet Roll - Black
$27.99 ($0.56/Foot)
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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 9.84 x 2.56 x 9.84 inches; 1.1 Pounds
  • Item model number ‏ : ‎ Wirefy-DWT-9.5-B
  • Date First Available ‏ : ‎ February 9, 2021
  • Manufacturer ‏ : ‎ Wirefy
  • ASIN ‏ : ‎ B08W9BRKZQ
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.8 4.8 out of 5 stars 2,474 ratings

Top Brand: Wirefy

Highly Rated
50K+ customers rate items from this brand highly
Trending
100K+ orders for this brand in past 3 months
Low Returns
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From the brand

Previous page
  2. wirefy crimping tools
    Wirefy heat shrink connectors
    Wirefy Heat Shrink tubing
    Wirefy Copper Lugs

    Wirefy Top Products

    Visit the Store

  3. wirefy logo

    Who We Are

    Wirefy is a small USA-owned and operated business. We offer top-quality electrical connectors, crimping tools, heat shrink tubing and electrical wires at reasonable prices.

    Wirefy empowers electricians and DIY lovers to make professional electrical connections through quality products and education. We've got you covered on your wiring project.

  4. Wirefy Crimping Tool For Heat Shrink Connectors - Ratcheting Wire Crimpers - Crimping Pliers - Ra...
    Wirefy Heat Shrink Wire Connectors Kit - Marine Grade Electrical Connectors - Automotive Butt Con...
    Wirefy Heat Shrink Tubing Kit - 3:1 Ratio Adhesive Lined, Marine Grade Shrink Wrap - Industrial H...
    Wirefy 1/0 Gauge 3/8" Wire Lugs - Copper Cable Lugs - Battery Terminal Connectors - Ring Terminal...

    Benefits of Our Products

  5. What makes our electrical connectors unique?

    We craft electrical connectors from thick, pure copper for strong crimps and max current flow. Tin coating protects against corrosion. Our terminals are fitting everyones needs.

    Why choose Wirefy crimping tools?

    Our crimping tools come with high-precision crimping dies designed specifically for every terminal type. Our tools ensure consistent, effortless and rock-solid crimps.

    How to choose the right heat shrink tubing?

    Go for 3:1 or 4:1 shrink ratio. This ensures a tighter seal. Make sure it has adhesive lining for protection against dust and water.

Next page

Product Description

wirefy heat shrink tubing colors variety

‎

VERSATILE HEAT SHRINK TUBING

Super Versatile Heat Shrink Tubing

Are you looking to fix a damaged wire, seal out moisture, or provide enhanced strain relief? Wirefy heat shrink tubing is an easy to use solution that can be used in automotive, hobby RC, and home electrical wiring projects. When heat is applied, this wire shrink wrap tubing will recover to a 1/3 of its original diameter. Its high recovery ratio makes it possible to repair most damaged cable jackets without removing connectors. Therefore, 3:1 shrink ratio tubing can be used in significantly more applications compared to 2:1 shrink ratio tubing. Additionally, 3:1 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, white, blue, clear).

COMPARE OUR PRODUCTS

wirefy heat shrink tubing roll

Heat shrink tubing roll - 3:1

wirefy 180 pcs black heat shrink tubing kit

Heat shrink tubing kit - 3:1

wirefy 190 pcs heat shrink tubing kit black red 4:1

Heat shrink tubing kit - 4:1

Length

50 FT

Quantity

180 PCS

Quantity

190 PCS

Shrink Ratio

3:1

Shrink Ratio

3:1

Shrink Ratio

4:1

Sizes

3/32" - 2"

Sizes

3/32" - 3/4"

Sizes

1/4" - 3/4"

Looking for specific info?

Customer reviews

4.8 out of 5 stars
4.8 out of 5
2,474 global ratings

Customers say

Customers like the ease of use, performance, adhesion, and value of the hardware tubing. They mention that it works great, the 3:1 ratio is very helpful, and the glue holds well. Some are satisfied with quality, and shrinkage. Others however, are not happy with the thickness. Opinions are mixed on size.

AI-generated from the text of customer reviews

58 customers mention55 positive3 negative

Customers are satisfied with the quality of the hardware tubing. They mention that it creates a solid, air tight seal on any wires they want to protect. The material is thick and should stand up well in a harsh environment. Overall, customers are happy with the product's quality and recommend it.

"...put it on uncrimped connections (shown in picture) and it's tight, and strong it feels as good as being crimped, the glue is strong and flexible...." Read more

"This is a hard to find product, but works well so far. The material is thick and should stand up well in a harsh environment; time will tell...." Read more

"...Its also got good thickness, which makes me feel good about using it in places where abrasion might be a concern...." Read more

"Great value and quality" Read more

43 customers mention43 positive0 negative

Customers are satisfied with the performance of the hardware tubing. They mention that it works great, the 3:1 ratio is very helpful for feeding it around connectors, looms, and that it's easy to use and problem-free.

"This is a hard to find product, but works well so far. The material is thick and should stand up well in a harsh environment; time will tell...." Read more

"This stuff is really top quality. The 3:1 ratio is very helpful for feeding it around connectors, looms, etc...." Read more

"It work perfectly as per the product descriptions.Roll was demaged maybe during the shipping but it does not effect the material." Read more

"...Works great!" Read more

38 customers mention32 positive6 negative

Customers like the shrinkage of the hardware tubing. They mention that it shrinks well, adheres properly, and is the best heat shrink tubing they have used. Some say that the tubing has a low melting point.

"It shrinks a lot, I put it on uncrimped connections (shown in picture) and it's tight, and strong it feels as good as being crimped, the glue is..." Read more

"...Overall I'm very happy, this is the best heat shrink tubing I've ever used." Read more

"I've found that wirefly has very good quality heat shrink tubing...." Read more

"Product arrived on time and was as described, Shrunk appropriately and adhered properly." Read more

21 customers mention17 positive4 negative

Customers like the adhesion of the hardware tubing. For example, they say it's strong, flexible, and has a good amount of glue in it. That said, some say the glue is not sticky inside and doesn't activate until heated.

"...and it's tight, and strong it feels as good as being crimped, the glue is strong and flexible...." Read more

"...The adhesive is really nice too, and you can tell when its fully sealed because the adhesive will start to flow out of the ends...." Read more

"...it took a lot of effort to remove the tubing because that adhesive is really strong.I added a photo, to show what I meant earlier...." Read more

"...Once the heat gun was applied, there was uniform shrink and fantastic adhesion...." Read more

21 customers mention21 positive0 negative

Customers appreciate the value of the shrink tubing. They say it's well worth the price, and the best shrink tubin money can buy.

"...This variety is better than most with its 3:1 shrink ratio. The price is right too - beats paying $5 for a package of six little 2 inch pieces at..." Read more

"Great value and quality" Read more

"...Quick shipping and great price" Read more

"...these products are superb for many different projects, and available at a great price...." Read more

10 customers mention10 positive0 negative

Customers find the hardware tubing easy to use. They mention it's super easy to slide on, and the glue doesn't activate until heated. They also say the product is easily dispensed and managed, and is pretty hard once it dries.

"This stuff has extremely thick walls, and once it dries it is pretty hard too...." Read more

"...This order was on a spool that is easily dispensed and managed. If I paid a tiny bit extra, it would be worth the difference." Read more

"This is super easy to slide on and the glue doesn't activate until heated." Read more

"Easy to use" Read more

7 customers mention3 positive4 negative

Customers are mixed about the size of the hardware tubing. Some mention that it has very wide size applications, while others say that it only goes small enough to protect 3 24 ga wires. The marked size is way off, and the 1/4in for them was slightly too big for 18 gauge hookups. It can get hard to fit multiple wires through a long run of sleeve.

"...Very WIDE size applications, highly recommended!" Read more

"I didn't like that it only went small enough to protect 3 24 ga wires. I was hoping it would go small enough to protect 1...." Read more

"Dimensions were exactly as described. If you are like me, double check the size you want against a ruler as a visual aid...." Read more

"Marked size is way off..." Read more

6 customers mention0 positive6 negative

Customers are dissatisfied with the thickness of the shrink tubing. They mention that the material is thick and the adhesive seems to be a very thin coat. Some customers also say that the shrink tube walls are very thick.

"It's Ok. It takes a long time to shrink to its minimum size. It's thick material and the glue has to heat-up...." Read more

"The adhesive seems to be a very thin coat. I hope it seals." Read more

"...I see reviews claiming it's too thick but it's about the same as every other type I've used...." Read more

"The tubing thickness is more than I expected, but it still works great...." Read more

Amazing stuff
5 Stars
Amazing stuff
It shrinks a lot, I put it on uncrimped connections (shown in picture) and it's tight, and strong it feels as good as being crimped, the glue is strong and flexible. I got the 1/4" and I'm extremely happy with it, it fits over 16awg - 10awg single, and bonded double. Very WIDE size applications, highly recommended!
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Top reviews from the United States

Jerry dukes
5.0 out of 5 stars Amazing stuff
Reviewed in the United States on April 4, 2024
Size: 1/4" - 50 FeetColor: RedVerified Purchase
It shrinks a lot, I put it on uncrimped connections (shown in picture) and it's tight, and strong it feels as good as being crimped, the glue is strong and flexible. I got the 1/4" and I'm extremely happy with it, it fits over 16awg - 10awg single, and bonded double. Very WIDE size applications, highly recommended!
Customer image
Jerry dukes
5.0 out of 5 stars Amazing stuff
Reviewed in the United States on April 4, 2024
It shrinks a lot, I put it on uncrimped connections (shown in picture) and it's tight, and strong it feels as good as being crimped, the glue is strong and flexible. I got the 1/4" and I'm extremely happy with it, it fits over 16awg - 10awg single, and bonded double. Very WIDE size applications, highly recommended!
Images in this review
Customer image
Customer image
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John Mercer
5.0 out of 5 stars Hard to find in long lengths
Reviewed in the United States on February 6, 2024
Size: 3/4" - 50 FeetColor: BlackVerified Purchase
This is a hard to find product, but works well so far. The material is thick and should stand up well in a harsh environment; time will tell. I pulled SO cord through a 10' length. It is a challenge to get cord through that long of a run, but I attached string to a length of all thread I had around, then pushed the all thread through with the string at the other end. Then I pulled the cord through by the string.
2 people found this helpful
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ak_
5.0 out of 5 stars This is the best heat shrink I've ever used!
Reviewed in the United States on September 7, 2023
Size: 3/16" - 50 FeetColor: BlackVerified Purchase
This stuff is really top quality. The 3:1 ratio is very helpful for feeding it around connectors, looms, etc. The adhesive is really nice too, and you can tell when its fully sealed because the adhesive will start to flow out of the ends. Its also got good thickness, which makes me feel good about using it in places where abrasion might be a concern. Overall I'm very happy, this is the best heat shrink tubing I've ever used.
Customer image
ak_
5.0 out of 5 stars This is the best heat shrink I've ever used!
Reviewed in the United States on September 7, 2023
This stuff is really top quality. The 3:1 ratio is very helpful for feeding it around connectors, looms, etc. The adhesive is really nice too, and you can tell when its fully sealed because the adhesive will start to flow out of the ends. Its also got good thickness, which makes me feel good about using it in places where abrasion might be a concern. Overall I'm very happy, this is the best heat shrink tubing I've ever used.
Images in this review
Customer image Customer image
Customer imageCustomer image
2 people found this helpful
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Zorba
5.0 out of 5 stars Beats 2:1 heat shrinks
Reviewed in the United States on February 26, 2024
Size: 1/4" - 50 FeetColor: BlackVerified Purchase
I've used meltable inner wall heat shrink professionally for literally decades. This variety is better than most with its 3:1 shrink ratio. The price is right too - beats paying $5 for a package of six little 2 inch pieces at the hardware store.
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Erik Sehnert
4.0 out of 5 stars Just as described
Reviewed in the United States on March 4, 2024
Size: 1" - 50 FeetColor: BlackVerified Purchase
Great value and quality
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PT@tulanebarandgrill
5.0 out of 5 stars This stuff works great.
Reviewed in the United States on December 31, 2023
Size: 3/8" - 50 FeetColor: RedVerified Purchase
I'm using these to make custom length guitar cables. Looks professional and the red color stands out. I've noticed sometimes a little glue gets out of the end but I just trim that off.
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Mr Matt
5.0 out of 5 stars Wirefly has really good heat shrink tubing
Reviewed in the United States on December 28, 2023
Size: 1/8" - 50 FeetColor: BlackVerified Purchase
I've found that wirefly has very good quality heat shrink tubing. Note...because it is adhesive lined and double walled it is pretty stiff and not very flexible. That's not a fault of the brand. Rather it's do to the thick double wall and adhesive later. If you need it to be more flexible look for a single wall product.

Also, I like going with 3:1 or 4:1 so I can use a larger size which is large enough to slide over the wire crimp fittings. Another thing to remember is that 3:1 and 4:1 ratio shrink tubing s are more expensive, but you don't have to buy as many sizes.
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Karolis
5.0 out of 5 stars Good
Reviewed in the United States on March 12, 2024
Size: 3/32" - 50 FeetColor: BlackVerified Purchase
Very good quality
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Top reviews from other countries

Translate all reviews to English
JayBo
5.0 out of 5 stars Great stuff!
Reviewed in Canada on February 6, 2024
Size: 3/16" - 50 FeetColor: BlackVerified Purchase
This works awesome, lots on the roll and pretty good value. Shrinks nicely and isn’t too thin either.
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Jesus Rodriguez
5.0 out of 5 stars Excelente producto
Reviewed in Mexico on August 8, 2023
Size: 3/8" - 50 FeetColor: BlackVerified Purchase
Buen material y excelente aislante!
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Fred
5.0 out of 5 stars Gaine thermo de qualité
Reviewed in France on April 14, 2024
Size: 1/2" - 50 FeetColor: BlackVerified Purchase
j'utilise souvent cette gaine car c'est un produit d'excellente qualité
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tk
5.0 out of 5 stars Just What I Needed
Reviewed in the United Kingdom on April 10, 2024
Size: 1/4" - 50 FeetColor: BlackVerified Purchase
Just What I Needed
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future156
5.0 out of 5 stars Sehr gutes Produkt.
Reviewed in Germany on December 5, 2023
Size: 3/4" - 50 FeetColor: BlackVerified Purchase
Sehr schnelle Lieferung und läßt sich sehr gut verarbeiten. Durch den eingearbeiteten Kleber konnte ich meine freiliegenden Kabel gut vor Feuchtigkeit schützen.
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