PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve
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PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation SleevePVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation SleevePVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation SleevePVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation SleevePVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation SleevePVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation SleevePVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation SleevePVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation SleevePVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation SleevePVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation SleevePVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation SleevePVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve

PVC Heat Shrink Tubing 2:1 Ratio — Large Diameter 242mm to 625mm, Wire & Cable Insulation Sleeve

HomeDIYer
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By HomeDIYer®

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$10.83 USD
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In stock (500 units), ready to be shipped

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Description

 

Large Diameter PVC Heat Shrink Tubing 2:1 — Reliable Cable & Pipe Insulation from 242mm to 625mm

When you're working with large-gauge cables, conduit bundles, or industrial pipe joints, standard small-diameter heat shrink just won't cut it. Electricians, marine riggers, HVAC technicians, and DIY enthusiasts dealing with oversized wiring harnesses or thick pipe assemblies need a tubing solution that actually fits — without improvising with multiple layers or tape wraps.

This PVC heat shrink tubing features a 2:1 shrink ratio and is available in flat widths from 242mm (≈9.5") to 625mm (≈24.6"), sold in lengths of 1 Meter (≈3.3 ft), 3 Meter (≈9.8 ft), 5 Meter (≈16.4 ft), and 10 Meter (≈32.8 ft). The tubing is made from flexible PVC material and is available in multiple colors including Black, Blue, Transparent, White, Silver Gray, Light Green, and Green to support color-coded cable management or visual identification needs.

Typical use cases include large cable bundle insulation for electrical panels and junction boxes, protective sleeving for copper or PVC pipe joints in plumbing and HVAC systems, and strain relief jacketing for heavy-duty extension cords and industrial wiring harnesses. The wide size range makes it a go-to solution for large diameter heat shrink tubing applications across trades and workshops.

🔌 Compatibility Note: This tubing is designed for large-diameter applications. Flat width equals the tubing measured flat before shrinking. Recovered inner diameter is typically ~50% of the flat width. Verify your cable or pipe outer diameter before selecting a size.
⚠️ Heads up: Exact wall thickness and recovered diameter may vary slightly by size. If your application requires tight tolerances, please contact us to confirm specifications before ordering.

✅ Key Features of These Large Diameter PVC Heat Shrink Tubes

  • 📐Wide Size Range — Flat widths from 242mm to 625mm cover oversized cable bundles, large pipe joints, and industrial wiring harnesses that standard heat shrink tubing cannot accommodate.
  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its expanded flat width when heat is applied, creating a snug, form-fitting sleeve around cables, pipes, or connectors without adhesive.
  • 🎨7 Color Options — Available in Black, Blue, Transparent, White, Silver Gray, Light Green, and Green for color-coded cable identification and organized large-diameter wire management.
  • ✂️Cut-to-Length Flexibility — Sold in 1, 3, 5, and 10 meter rolls; cut to any shorter length with scissors or a utility knife. Clean-cut ends do not fray or unravel.
  • 🛡️Insulating & Protective — PVC construction provides electrical insulation, basic moisture resistance, and mechanical protection against abrasion for cable bundling and pipe sleeving applications.
  • ⚡Easy Heat Activation — Shrinks uniformly with a standard heat gun at low-to-medium settings; no special tools required, making it practical for field installation and workshop use.

📐 Technical Specifications — Large Diameter PVC Heat Shrink Tubing

Product Type PVC Heat Shrink Tubing Sleeve
Shrink Ratio 2:1
Flat Width Range 242mm (≈9.5") to 625mm (≈24.6")
Available Sizes 242, 250, 258, 258 (Thickened), 268, 280, 285, 295, 300, 308, 320, 330, 333, 350, 355, 370, 373, 380, 400, 420, 422, 450, 475, 500, 625 mm
Available Colors Black, Blue, Transparent, White, Silver Gray, Light Green, Green
Available Lengths 1 Meter, 3 Meter, 5 Meter, 10 Meter
Material PVC (Polyvinyl Chloride)
Shrink Temperature Typically 70–120°C (158–248°F)
Wall Thickness (pre-shrink) See variant options
Voltage Rating Typically up to 600V (low-voltage applications)
Operating Temperature Contact us to confirm
Application Cable insulation, wire bundling, pipe joint protection, strain relief

❓ Frequently Asked Questions

How do I choose the right flat width size for my application?

The flat width listed (e.g., 242mm or about 9.5") is the tubing measured flat before shrinking. The recovered inner diameter is typically half the flat width for a 2:1 ratio tube. For example, a 300mm flat-width tube generally recovers to approximately 150mm (about 5.9") inner diameter. Measure your cable or pipe outer diameter and select a flat width that is at least 1.5× that measurement to ensure full coverage and a secure fit.

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

A 2:1 shrink ratio means the tubing will shrink to approximately half its original expanded diameter when heat is applied. For instance, a tube with a 400mm flat width will typically recover to around 200mm inner diameter. This ratio is suitable for most standard cable bundling and insulation tasks.

What temperature is needed to shrink this tubing?

PVC heat shrink tubing generally activates at temperatures around 70–120°C (158–248°F). A heat gun set to low-to-medium heat is recommended. Avoid open flames, as they can cause uneven shrinkage or damage the tubing surface.

Is this tubing suitable for outdoor or moisture-exposed environments?

PVC heat shrink tubing generally provides basic moisture resistance and is suitable for indoor and light outdoor use. For prolonged outdoor exposure, UV-intensive environments, or submersion, a polyolefin or adhesive-lined heat shrink tubing is typically recommended for better long-term protection.

What voltage rating does this tubing support?

PVC heat shrink tubing in this size range is generally rated for low-voltage applications, typically up to 600V. For high-voltage or industrial electrical applications, please contact us to confirm compatibility before ordering.

Can I cut this tubing to a custom length?

Yes. The tubing is sold in 1, 3, 5, and 10 meter lengths and can be cut to any shorter length with standard scissors or a utility knife before or after shrinking. Cut ends do not fray.

Which color should I choose for my project?

Color choice is typically based on identification or aesthetic preference. Black is the most common for general wiring. Transparent allows you to see the underlying cable or label. Blue, Green, Light Green, White, and Silver Gray are often used for color-coded cable management systems.

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

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