Which color should I choose for my project?

Color choice is generally a matter of organization and identification. Black is the most common for general wiring. Red, blue, yellow, green, and white are widely used for color-coded wire management. Transparency allows visual inspection of the underlying wire or connector.

2:1 PVC Heat Shrink Tubing | 44mm Diameter | 0.1mm Wall | 300V | Multi-Color

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2:1 PVC Heat Shrink Tubing | 44mm Diameter | 0.1mm Wall | 300V | Multi-Color

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Color: Black

Length: 1meter

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PVC Heat Shrink Tubing 44mm — Reliable Insulation for Wiring, Bundling & Cable Protection

Whether you're rewiring an automotive harness, organizing a server rack, or protecting exposed connections in a DIY electronics build, finding heat shrink tubing that fits large-diameter cables without splitting or leaving gaps is a constant frustration. This 2:1 PVC heat shrink tubing is designed for makers, electricians, and hobbyists who need a dependable, color-coded sleeving solution for cables and connectors up to 44mm in diameter.

Each order covers a single continuous run in your chosen color and length. The tubing ships in a flat-folded format with a 70mm lay-flat width, expanding to a 44mm (≈1.73") round inner diameter before shrinkage. Wall thickness is 0.1mm, and the 2:1 shrink ratio recovers the tubing to approximately 22mm (≈0.87") recovered diameter. Available in lengths from 1 meter (≈39.4") up to 30 meters (≈98.4 ft), and in eight colors: Black, White, Green, Yellow, Blue, Red, Transparency, and Fruit Green.

Typical use cases include automotive wire loom protection, color-coded cable management in home theater or network installations, and insulating spliced connections in low-voltage lighting projects — all situations where a clean, heat-shrink wire sleeve for large cables makes the difference between a professional finish and a messy one.

ℹ️ Compatibility Note: This tubing fits cables and connectors with an outer diameter up to 44mm (≈1.73") before shrinkage. Recovered inner diameter is typically around 22mm (≈0.87"). Confirm your cable OD before selecting a length. Rated for 300V low-voltage applications only.

✅ Key Features of These PVC Heat Shrink Tubes

🔥2:1 Shrink Ratio — Shrinks to approximately half its expanded diameter, conforming snugly around cables, connectors, and wire bundles for a secure, gap-free fit.
⚡300V Insulation Rating — Suitable for low-voltage wiring insulation, protecting splices and terminals in automotive, marine, and household electrical projects.
🌡️Wide Temperature Range — Rated from -40°C to 105°C (-40°F to 221°F), this heat shrink wire sleeve performs reliably in both cold-weather storage and warm operating environments.
🎨8 Color Options — Black, White, Green, Yellow, Blue, Red, Transparency, and Fruit Green allow color-coded cable identification, making wire management faster and easier to trace.
📏13 Length Options (1m–30m) — Order exactly what your project requires, from a 1-meter (≈39.4") sample run to a 30-meter (≈98.4 ft) bulk roll for large cable bundling jobs.
🛡️0.1mm Thin-Wall PVC Construction — The thin-wall profile keeps finished diameter compact while still providing mechanical abrasion resistance and electrical insulation for large-diameter cable sleeving.

📐 Technical Specifications — PVC Heat Shrink Tubing

Material	PVC (Polyvinyl Chloride)
Shrink Ratio	2:1
Lay-Flat Width	70mm (≈2.76")
Expanded Inner Diameter	44mm (≈1.73")
Recovered Inner Diameter	Typically ~22mm (≈0.87")
Wall Thickness	0.1mm
Voltage Rating	300V
Operating Temperature	-40°C to 105°C (-40°F to 221°F)
Available Colors	Black, White, Green, Yellow, Blue, Red, Transparency, Fruit Green
Available Lengths	1m, 2m, 3m, 4m, 5m, 7m, 10m, 12m, 15m, 17m, 20m, 25m, 30m
Application Method	Heat gun (recommended 90°C–120°C / 194°F–248°F)
Certifications / Standards	Contact us to confirm

⚠️ Sizing Tip: Measure your cable's outer diameter before ordering. The 44mm expanded ID accommodates most large wire bundles and conduit runs. If your cable OD is close to 44mm, consider a larger size for easier installation.

❓ Frequently Asked Questions

How do I choose the right length of heat shrink tubing?

Measure the total run you need to cover and add at least 10–15% extra for trimming and overlap. For reference, 1 meter is approximately 39.4 inches, and 10 meters is approximately 393.7 inches (≈32.8 ft). Choose the next length up if you're between sizes — it's easier to trim excess than to splice two pieces.

What is the shrink ratio and what does 2:1 mean?

A 2:1 ratio means the tubing shrinks to approximately half its original diameter when heat is applied. This tubing starts at 44mm (≈1.73") expanded diameter and typically recovers to around 22mm (≈0.87"). This makes it well-suited for large cable bundles, conduit ends, and thick wire harnesses.

How much voltage can this tubing handle?

This tubing is rated at 300V, making it suitable for low-voltage wiring, cable bundling, and general electrical insulation tasks in automotive, marine, and household applications. It is not intended for high-voltage industrial or utility-grade applications.

Can I use this heat shrink tubing outdoors?

This PVC tubing is generally suitable for protected outdoor use in moderate environments. Its operating range of -40°C to 105°C (-40°F to 221°F) covers most seasonal temperature swings. For prolonged UV exposure or direct water immersion, an adhesive-lined or polyolefin heat shrink variant is typically recommended for better long-term performance.

What cable or connector sizes is this compatible with?

This tubing is compatible with any cable, wire bundle, or connector with an outer diameter that fits within the 44mm (≈1.73") expanded inner diameter. In most cases, this covers large multi-conductor cables, conduit ends, battery terminals, and thick automotive harnesses. Always confirm your cable OD before ordering.

How do I apply heat shrink tubing correctly?

Slide the tubing over the area to be covered before making any connections. Apply even heat using a heat gun set to typically 90°C–120°C (194°F–248°F), moving in a slow, sweeping motion from the center outward to prevent air pockets. Avoid open flames, which can cause uneven shrinkage, scorching, or cracking of the PVC material.

Which color should I choose for my wiring project?

Color choice is generally a matter of organization and visual identification. Black is the most common for general wiring and blends into most installations. Red, blue, yellow, green, and white are widely used for color-coded wire management systems. The Transparency option allows visual inspection of the underlying wire or connector without removing the sleeve.

🛒 Select your color and length above, then add to cart — ships from our US warehouse.

2:1 PVC Heat Shrink Tubing | 44mm Diameter | 0.1mm Wall | 300V | Multi-Color

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Description

PVC Heat Shrink Tubing 44mm — Reliable Insulation for Wiring, Bundling & Cable Protection

✅ Key Features of These PVC Heat Shrink Tubes

📐 Technical Specifications — PVC Heat Shrink Tubing

❓ Frequently Asked Questions

2:1 PVC Heat Shrink Tubing | 44mm Diameter | 0.1mm Wall | 300V | Multi-Color

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