White Heat Shrink Tubing — Reliable Insulation for Wire, Cable & Connector Sleeving
Loose wire ends, exposed splices, and unprotected connectors are a constant headache for electricians, automotive technicians, hobbyists, and DIYers. A single frayed wire can cause shorts, corrosion, or worse — and standard electrical tape rarely holds up under heat, vibration, or moisture. This white heat shrink tubing gives you a clean, durable, professional-grade solution that stays put.
Each listing covers three shrink ratio types: 2:1 Ratio Without Adhesive (standard insulation), 3:1 Ratio With Adhesive (moisture-resistant seal), and 4:1 Ratio With Adhesive (maximum grip on irregular shapes). Sizes range from Φ0.6mm (≈0.024") up to Φ80mm (≈3.15"), with lengths available from 1M (≈3.3 ft) to 50M (≈164 ft). The tubing is made from flexible polyolefin, finished in clean white — easy to label or mark for circuit identification.
Typical use cases include automotive wire harness repair, marine cable protection, RC and hobby electronics, home electrical panel wiring, and industrial cable bundling. Whether you need a tight white wire insulation sleeve for a single splice or a bulk roll of electrical cable sleeving for a full wiring job, this tubing covers the range.
🔌 Compatibility: Fits standard round wires, cables, and connectors. Match the expanded diameter to your wire OD. The 3:1 and 4:1 adhesive variants conform to irregular shapes including terminals, solder joints, and multi-conductor bundles.
✅ Key Features of These White Heat Shrink Tubes
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🌡️Three Shrink Ratios in One Listing — Choose 2:1 for standard wire insulation sleeving, 3:1 with adhesive for a moisture-resistant seal, or 4:1 with adhesive for maximum coverage on connectors and irregular profiles.
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💧Adhesive-Lined Waterproof Seal — The 3:1 and 4:1 variants feature a hot-melt inner adhesive that flows during shrinking, creating a watertight bond ideal for outdoor, marine, and automotive cable protection.
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📏Wide Size Range: Φ0.6mm to Φ80mm — From ultra-fine wire sleeving for electronics (Φ0.6mm ≈ 0.024") to large-diameter cable jacketing (Φ80mm ≈ 3.15"), covering virtually every wiring application in one product line.
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✂️Cut-to-Length Flexibility — Available in 1M, 2M, 5M, 10M, 20M, and 50M lengths. Cut to any size with scissors for single repairs, or use bulk rolls for production wiring and panel builds.
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🏷️Clean White Finish for Easy Labeling — The white surface accepts permanent marker and label tape, making circuit identification and wire management straightforward in control panels and harnesses.
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🔥Flexible Polyolefin Construction — Remains pliable after shrinking, resisting cracking in cold temperatures and maintaining insulation integrity across a wide operating range — typically -55°C to +125°C (-67°F to +257°F).
📐 Technical Specifications — White Heat Shrink Tubing
| Material |
Polyolefin (flexible, halogen-free) |
| Color |
White |
| Shrink Ratios Available |
2:1 (no adhesive), 3:1 (with adhesive), 4:1 (with adhesive) |
| Diameter Range (Expanded) |
Φ0.6mm–Φ80mm (≈0.024"–3.15") |
| Length Options |
1M, 2M, 5M, 10M, 20M, 50M |
| Shrink Temperature |
Typically begins at ~70–90°C (158–194°F); full recovery at ~120°C (248°F) |
| Operating Temperature |
Typically -55°C to +125°C (-67°F to +257°F) |
| Voltage Rating |
Typically up to 600V — contact us to confirm for certified applications |
| Adhesive Liner |
Hot-melt adhesive (3:1 and 4:1 variants only) |
| Application Method |
Heat gun (recommended); avoid open flame |
| Typical Use |
Wire insulation, cable repair, connector sealing, harness protection |
| Country of Origin |
See variant options |
⚠️ Size selection tip: The diameter listed (e.g., Φ6mm) is the expanded (pre-shrink) inner diameter. After shrinking, a 2:1 tube recovers to approximately half that value. Always measure your wire or connector OD before ordering. If you are unsure, contact us to confirm the right size.
❓ Frequently Asked Questions
How do I choose the right diameter for my wire or cable?
Measure the outer diameter of the wire or connector you need to cover. Choose a tubing size whose recovered (shrunken) diameter is slightly smaller than your wire's OD, and whose expanded diameter is larger. For example, a Φ6mm 2:1 tube recovers to approximately Φ3mm — suitable for wires up to about 3mm OD. When in doubt, size up one step. If you need help, contact us with your wire gauge or OD measurement.
What is the difference between 2:1, 3:1, and 4:1 shrink ratios?
The ratio describes how much the tubing shrinks in diameter when heat is applied. A 2:1 tube shrinks to half its original diameter; 3:1 shrinks to one-third; 4:1 shrinks to one-quarter. Higher ratios are generally used for irregular shapes, connectors, or when you need a tighter, more conforming fit. The 3:1 and 4:1 variants in this listing include a hot-melt adhesive liner for a waterproof, strain-relieved seal.
Does this heat shrink tubing provide a waterproof seal?
The 2:1 Ratio Without Adhesive variant provides basic insulation and abrasion protection but is not waterproof on its own. The 3:1 and 4:1 Ratio With Adhesive variants include an inner adhesive layer that melts and flows during shrinking, creating a moisture-resistant seal suitable for outdoor, marine, and automotive applications.
What temperature is needed to shrink this tubing?
Polyolefin heat shrink tubing of this type typically begins to shrink at around 70–90°C (158–194°F) and fully recovers at approximately 120°C (248°F). A heat gun set to low or medium is recommended. Avoid open flames, which can scorch or unevenly shrink the tubing.
Is this tubing compatible with automotive and marine wiring?
Yes. The adhesive-lined 3:1 and 4:1 variants are commonly used in automotive, marine, and outdoor electrical applications where vibration resistance and moisture protection are needed. The 2:1 non-adhesive variant is well-suited for general indoor wiring, electronics, and hobby projects.
What is the voltage rating and operating temperature range?
Polyolefin heat shrink tubing of this type is generally rated for up to 600V and an operating temperature range of approximately -55°C to +125°C (-67°F to +257°F). Please contact us to confirm exact ratings for your specific variant if your application requires certified specifications.
Can I cut this tubing to a custom length?
Yes. All lengths (1M, 2M, 5M, 10M, 20M, 50M) are sold as continuous rolls or lengths that can be cut with scissors or a utility knife to any size you need. This makes it easy to use for both small repairs and larger wiring projects.
🛒 Select your shrink ratio, size, and length above, then add to cart — ships from our US warehouse.
