Helixal Heat Shrink Tubing

Name: Helixal Heat Shrink Tubing
Address: 5900 Balcones Drive #18753, Austin, TX, 78731, US
Telephone: +447398734563
Price range: $$

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Helixal Heat Shrink Tubing

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Helixal provides high-performance heat shrink tubing designed for demanding environments.

Our products are built for durability, waterproof protection, and long-term reliability across industrial, automotive, and marine applications.

11/10/2026

Sponsored | Wiring a winch and lights on a side-by-side with Helixal heat shrink. 🔧

Cut it to size, slide it over the joint, hit it with a heat gun. His verdict: "really impressed."

▶️ Full install on our YouTube: youtu.be/MK3RievLl_Y
🛒 Shop direct at helixalindustrial.com (link in bio)

11/05/2026

Tape doesn't fail. It lets go.

Most re-taped joints aren't a bad wrap. PVC electrical tape's adhesive loses tack above 60°C. Add vibration and it loosens at the edges and unravels. Add water and it gets in under the wrap. Add sun and the PVC goes brittle within a season.

Dual wall heat shrink doesn't rely on stickiness. It shrinks down onto the joint, and the adhesive liner melts and seals it. Rated −55°C to +125°C continuous.

To be fair, tape still has a job: quick repairs and temporary insulation on low-voltage wiring, indoors, in the dry. Everything else, sleeve it.

Full side-by-side: https://www.helixalindustrial.com/blog/heat-shrink-vs-electrical-tape

Where do you still reach for tape?

11/02/2026

Sealed means sealed.

Dual wall heat shrink has an adhesive lining that melts as the tube shrinks, so the joint is sealed shut, not just covered. Water, road salt, bilge spray: nothing wicks in, and the circuit stays on.

Worth doing before winter hits the trailer lights.

3:1 dual wall heat shrink. The roll you keep on the van.
helixalindustrial.com

10/28/2026

Free shipping is back.

Every order over $69 on helixalindustrial.com now ships free: 3:1 dual wall, adhesive lined, 13 sizes.
The restock most of you buy anyway (1/8", 3/16", 1/4" × 60 ft) comes to $78.47. Shipping: $0.
Orders under $69 ship for a flat $9.99.

👉 https://helixalindustrial.com/products/3-1-dual-wall-heat-shrink-tubing

10/20/2026

How many wires fit in one tube?

Wrong question, and it's why bundles end up in sleeves that won't slide on or won't grip.
A bundle isn't sized by its gauge. It's sized by its widest diameter.

The tube has to do two things:
→ slide over the bundle, so the supplied size sits comfortably above it
→ grip it, so the recovered size sits below it

1/2" 2:1 tubing is 12.7mm supplied and recovers to about 6.4mm, so it grips a bundle 7–11mm across. The full chart, 1/4" to 2", is on slide 3.

One catch: 2:1 single wall grips, but its ends aren't sealed. Anything wet (weather, washdown, engine bay, bilge, salt air) needs 3:1 dual wall, adhesive-lined.

Save this for the next harness. Full guide: https://www.helixalindustrial.com/blog/2-1-heat-shrink-tubing-uses

What's the biggest bundle you've ever sleeved in one go?

10/19/2026

Your trailer lights have something to tell you. 🚤

Electrical tape lets water in, and a trailer goes under every launch.
Adhesive-lined 3:1 dual wall melts its glue into the splice as it shrinks and seals it watertight.

1/8″ × 60 ft: $23.79, direct from helixalindustrial.com

10/16/2026

Save this for your next splice. 📌

1. Slide the tube on FIRST. Everyone forgets once.
2. Crimp.
3. Center the tube over the connector.
4. Heat from the middle out, so the air pushes out of the ends.

Done when you see glue at both ends.

Parts: A heat gun · B crimper · C wire · D butt connector · E 3/8″ 3:1 dual wall, sized for 16–14 AWG butt splices ($31.49 / 60 ft)

10/15/2026

Spot the difference. 👀

Only the middle one is sealed: the adhesive lining melted and squeezed out at both ends.
No glue at the ends, no seal.

Tag the apprentice who needs to see this.

Adhesive-lined 3:1 dual wall, from $18.99 at helixalindustrial.com

10/09/2026

How the spool giveaway works, in 30 seconds 👇

🏆 ONE winner, drawn at random on Oct 26, gets any Helixal spool in their size, shipped free.
🎁 EVERYONE who enters gets a free-shipping code for their next order.

Enter once = 1 entry. Every friend who enters through your personal share link = +1 entry (up to 10 bonus).
Buying, liking, commenting and tagging don't change your odds. Only website entries count.

Enter free: helixalindustrial.com/giveaway (link in bio). Closes Oct 24, 11:59 p.m. CT.

No purchase necessary. Open to US residents 18+. Ends 10/24/26 11:59 p.m. CT. Rules: helixalindustrial.com/giveaway/rules. Not sponsored, endorsed or administered by, or associated with, Instagram, Facebook or TikTok.

10/07/2026

Heat gun or lighter? Settle it below. 👇
❤️ = Team Heat Gun
😆 = Team Lighter

(We have opinions. A lighter will shrink it. A heat gun shrinks it evenly without scorching the tube.)

Either way, on adhesive-lined dual wall the glue does the sealing.

Address

5900 Balcones Drive #18753
Austin, TX
78731

Telephone

+447398734563

Website

https://www.helixalindustrial.com/products, https://www.helixalindustrial.com/

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