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Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - Black - 50 Feet Roll
Details
- BrandWirefy
- MaterialPolyolefin
- ColorBlack
- Product Dimensions9.84"L x
- Item Weight1.1 Pounds
- Maximum Pressure10 Bars
Description
🔥 Seal it tight, shine all night! 🔥
- BUILT IN SEALANT POWER - Adhesive lining activates with heat, creating a waterproof, corrosion-resistant bond that locks out moisture and contaminants.
- MARINE GRADE DURABILITY - Dual-wall polyolefin construction resists heat, fluids, and mechanical stress—perfect for demanding environments and long-lasting projects.
- VERSATILE 3 8 DIAMETER - Ideal size for a wide range of electrical and mechanical connections, with a generous 50-foot roll to power through multiple jobs.
- PRECISION FIT EVERY TIME - 3:1 shrink ratio ensures tubing contracts to one-third, delivering a snug, professional seal that outperforms standard 2:1 tubing.
- EFFORTLESS PROFESSIONALISM - Simply slide over your connection and apply heat—achieve factory-quality insulation in seconds, no special tools required.
Wirefy’s 3/8" Heat Shrink Tubing features a superior 3:1 shrink ratio and adhesive-lined dual walls, delivering marine-grade protection and a waterproof seal. Rated for 600 volts and resistant to heat, fluids, and mechanical wear, this 50-foot black polyolefin roll is engineered for professional-grade electrical insulation and durability.
Specifications
| Brand | Wirefy |
| Material | Polyolefin |
| Color | Black |
| Product Dimensions | 9.84"L x 2.56"W |
| Item Weight | 1.1 Pounds |
| Maximum Pressure | 10 Bars |
| Nominal Wall Thickness | 1.25 inches |
| Outside Diameter | 30 Millimeters |
| Item Length | 600 Inches |
| UPC | 850026973037 |
| Manufacturer | Wirefy |
| Part Number | Wirefy-DWT-9.5-B |
| Item Weight | 1.1 pounds |
| Country of Origin | China |
| Item model number | Wirefy-DWT-9.5-B |
| Is Discontinued By Manufacturer | No |
| Size | 3/8" - 50 Feet |
| Style | Black |
| Voltage | 600 Volts (AC) |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
Have a Question? See What Others Asked
Reviews
F**L
Versatile and Reliable
This heat shrink tubing has become a staple in our household. Originally bought for my husband’s electrical work, it’s now found a place in my craft projects too. It’s easy to use—just slide it on, apply heat, and it seals perfectly, even keeping water out.The quality is solid, with good heat resistance and strong adhesive properties. It holds up well in tough environments and offers great value for the price. You can cut it to the length you need, which is super convenient.That said, some tubing diameters don’t quite match the listed specs, and opinions on thickness vary. But overall, it’s a reliable, multi-use product we keep coming back to.
J**.
Restocking Heat Shrink Kit
I have a heat shrink kit which I have ran out of this size in the kit (same brand & function). This reel is to restock the kit. Works great!
G**I
Good quality
Good Price, Great quality
C**!
It worked better than I thought really sealed good
It shrink down and sealer inside works awesome
L**S
Heat Shrink
Works fine, should last awhile.
A**R
Love it
This is a great option if you need to wrap a bunch of stuff and you can cut to length instead of the precuts kicks
R**Y
Works as advertised!
I used these as a cable sheath, for a pair of 22 AWG wires, going to each motor on my ROV project. I did have to use dish soap to get them through, but once on, I just hit the length of the tubing with my cordless heat gun and it was on there real good.When I had to replace a motor, it was really hard to get a purchase with my X-acto knife, to trim away the tubing, to get to some fresh wire, to solder back to the new motor. With that, I can tell you, 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. You'll notice that right at the neck of the harness, I used a larger shrink tube, to tie everything together. That tube was also made by Wirefy as well. This really cleaned up the look of my ROV.I will be buying more from Wirefy, when I need any other sizes of tubing, because this stuff has worked better than the last 2 brands I tried in the past.
C**E
Versatile Solution for Crafters and DIY Enthusiasts
This Heat Shrink Tubing has become a staple in our household, originally purchased for my husband's electrical work but finding its way into my craft projects as well. Its uses are endless; from electrical repairs to creative crafting endeavors, this tubing is a multi tasker. Just slide it onto what you need, apply heat, and watch it work its magic. Easy to use and incredibly effective!
Common Questions
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