Red Silicone Heat Shrink Tubing 1.7:1 | φ0.8–30mm | 200°C Rated
Red Silicone Heat Shrink Tubing 1.7:1 | φ0.8–30mm | 200°C Rated
Red Silicone Heat Shrink Tubing 1.7:1 | φ0.8–30mm | 200°C Rated
Red Silicone Heat Shrink Tubing 1.7:1 | φ0.8–30mm | 200°C Rated
Red Silicone Heat Shrink Tubing 1.7:1 | φ0.8–30mm | 200°C Rated
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Red Silicone Heat Shrink Tubing 1.7:1 | φ0.8–30mm | 200°C RatedRed Silicone Heat Shrink Tubing 1.7:1 | φ0.8–30mm | 200°C RatedRed Silicone Heat Shrink Tubing 1.7:1 | φ0.8–30mm | 200°C RatedRed Silicone Heat Shrink Tubing 1.7:1 | φ0.8–30mm | 200°C RatedRed Silicone Heat Shrink Tubing 1.7:1 | φ0.8–30mm | 200°C Rated

Red Silicone Heat Shrink Tubing 1.7:1 | φ0.8–30mm | 200°C Rated

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Beschreibung

 

Red Silicone Heat Shrink Tubing — Flexible, High-Temp Protection for Demanding Wiring Jobs

When standard PVC heat shrink fails in the heat of an engine bay, industrial panel, or outdoor installation, you need a material that holds up. This red silicone heat shrink tubing is built for electricians, automotive technicians, hobbyists, and engineers who can't afford insulation that cracks, stiffens, or melts under pressure.

Each order covers a single continuous length of tubing in your chosen diameter and length. Diameters range from φ0.8mm (≈0.031") to φ30mm (≈1.18"), and lengths are available from 1 meter (≈3.3 ft) up to 10 meters (≈32.8 ft). The tubing is made from flexible silicone rubber with a 1.7:1 shrink ratio and is rated for continuous operation at up to 200°C (392°F). The red color provides clear visual identification in multi-wire harnesses and panel builds.

Typical use cases include automotive wiring harness repair and protection, high-temperature wire bundling in industrial control panels, strain relief on connectors and cable exits, and insulation of exposed terminals in marine or outdoor electrical systems — all scenarios where a flexible, heat-resistant silicone heat shrink tube outperforms standard alternatives.

ℹ️ Compatibility Note: This tubing fits standard round wire, cables, and cylindrical connectors. Verify the pre-shrink inner diameter is larger than your component's outer diameter, and that the post-shrink diameter (pre-shrink ÷ 1.7) will grip it securely. See the FAQ below for sizing guidance.

✅ Key Features of These Red Silicone Heat Shrink Tubes

  • 🌡️200°C Continuous Rating — Withstands sustained high-temperature environments including engine bays, industrial ovens, and lighting fixtures where standard PVC heat shrink would soften or fail.
  • 🔄1.7:1 Shrink Ratio — Reliable recovery that creates a firm, conforming grip around wires and connectors; suitable for most wire bundling and strain relief applications without over-tightening.
  • 🤸Stays Flexible After Shrinking — Silicone rubber remains pliable at both high and low temperatures, resisting cracking and fatigue in high-vibration or flexing applications such as automotive harnesses and robotics.
  • 🛡️UV, Ozone & Moisture Resistant — Silicone's inherent material properties make this tubing a reliable choice for outdoor wiring, marine electrical systems, and any installation exposed to weathering.
  • 🔥Flame-Retardant Material — Silicone rubber is self-extinguishing and does not produce toxic smoke, making it a safer option for enclosed panels, EV battery packs, and sensitive electronic assemblies.
  • 📏Wide Diameter Range — φ0.8mm to φ30mm — One product line covers everything from fine instrument wire to large-gauge power cables, reducing the need to source from multiple suppliers for a single project.
⚠️ Sizing Tip: Always measure your wire or component's outer diameter before ordering. The listed diameter is the pre-shrink inner diameter. Post-shrink inner diameter is approximately pre-shrink ÷ 1.7. If you're between sizes, size up. Contact us to confirm if you have an unusual application.

📐 Technical Specifications — Silicone Rubber Heat Shrink Tubing

Material Flexible silicone rubber
Color Red
Shrink Ratio 1.7:1
Pre-Shrink Diameter Range φ0.8mm (≈0.031") – φ30mm (≈1.18")
Available Lengths 1m (≈3.3 ft), 2m, 3m, 4m, 5m, 8m, 10m (≈32.8 ft)
Maximum Operating Temperature 200°C (392°F)
Recommended Shrink Temperature Typically 150–200°C (302–392°F)
Wall Thickness (post-shrink) See variant options
Flame Retardancy Self-extinguishing (silicone rubber)
UV / Ozone Resistance Yes
Flexibility Remains pliable after shrinking
Application Method Heat gun or oven; no open flame recommended
Sold As Single continuous length per order

❓ Frequently Asked Questions

How do I choose the right diameter for my wire or component?

Select a pre-shrink inner diameter that is larger than your wire or component's outer diameter, but small enough that the post-shrink diameter (pre-shrink ÷ 1.7) will grip it firmly. For example, a φ6mm tube shrinks to approximately φ3.5mm (≈0.14"). When in doubt, size up one step — silicone tubing is flexible and forgiving. If you're unsure, contact us with your wire gauge or OD measurement.

What does the 1.7:1 shrink ratio mean in practice?

A 1.7:1 ratio means the tubing shrinks to approximately 59% of its original inner diameter when heat is applied. So a φ10mm tube becomes approximately φ5.9mm (≈0.23") after full recovery. This is generally sufficient for most wire bundling, connector sealing, and strain relief tasks.

What temperature do I need to shrink this tubing?

This silicone tubing typically begins to shrink at around 120°C and fully recovers by 150–180°C. A heat gun set to 150–200°C is recommended for consistent results. Avoid open flames, which can cause uneven shrinkage or surface damage. The tubing is rated for continuous operation up to 200°C (392°F).

Is this tubing suitable for outdoor or marine use?

Yes. Silicone rubber is inherently resistant to UV radiation, ozone, moisture, and a wide range of chemicals. This tubing is generally suitable for outdoor wiring, marine electrical systems, and industrial applications where exposure to weather, salt spray, or humidity is a concern.

Is this silicone heat shrink tubing flame-retardant?

Silicone rubber is inherently flame-retardant and self-extinguishing in most cases. It does not produce toxic fumes when exposed to flame, making it a safer choice compared to standard PVC heat shrink in enclosed panels, EV battery assemblies, or sensitive electronic environments.

How do I decide between 1 meter and longer lengths?

For single-project repairs or prototyping, 1–3 meters is typically sufficient. For production runs, panel wiring, or if you regularly work with a specific diameter, 5–10 meter rolls offer better value per meter. The tubing cuts cleanly with standard scissors or a utility knife — no special tools required.

Can I use this on automotive wiring and high-vibration applications?

Yes. Silicone's flexibility and elasticity make it well-suited for automotive wiring harnesses, high-vibration machinery, and robotics where rigid PVC tubing would crack or fatigue over time. It remains pliable even at low temperatures, which is an advantage in cold-climate automotive applications.

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

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