Pro Power - 4:1 Adhesive Lined Heat Shrink Tubing - 4mm - 1.22M

This Pro Power heat shrink tubing is a flame-retardant, dual-layer, and mechanically tough solutio...

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B&QB&Q - Pro Power4:1 Adhesive Lined Heat Shrink Tubing Black 4mm Dia. 1.22M
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OnBuy.comPro Power - 4:1 Adhesive Lined Heat Shrink Tubing Black 4Mm Dia. 1.22M 3561014182153
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Product Information

Full details

The Pro Power 4:1 Adhesive Lined Heat Shrink Tubing is an essential component for electrical engineers, automotive technicians, and DIY enthusiasts looking for reliable cable management and terminal protection. Its primary benefit is the high 4:1 shrink ratio and internal adhesive lining, which provide superior environmental sealing and mechanical support for wire splices and components. While the tubing offers excellent durability and moisture resistance, users should note that it requires a heat source capable of reaching specific activation temperatures, making it less suitable for quick, field-repair environments lacking proper thermal tools.

All features

Model Part NumberSH4XGR4MM-1.22MBLK
BrandPro Power

Extended Product Information

FAQs

Can I use a lighter to shrink this tubing?

While technically possible, it is not recommended. Open flames often cause uneven heating, soot buildup, and accidental burning of the material.

What does the 4:1 shrink ratio mean?

It means the tubing can shrink to 25% of its original expanded diameter (4mm down to 1mm), offering significant flexibility for different connection sizes.

Is this tubing UV resistant?

While designed for durability, it is primarily intended for moisture and fluid resistance rather than extended outdoor UV exposure.

Can I use this for high-voltage power lines?

No, this product is rated for up to 600V; it is not intended for high-voltage power transmission applications.

Will the adhesive survive being submerged in water?

Yes, once properly shrunk, the adhesive creates a robust, moisture-resistant seal suitable for many wet environments.

What is the operating temperature range?

The tubing is rated for continuous operation at temperatures up to 125°C.

Troubleshooting

Tubing did not shrink fully

Increase the heat gun temperature or hold the heat source closer to the tubing while ensuring even distribution of heat.

Adhesive is not sealing correctly

Ensure the underlying surface was cleaned of grease and dust prior to application, and ensure enough heat was applied to allow the adhesive to flow.

Tubing cracked during heating

Avoid overheating the plastic; use a heat gun rather than an open flame to maintain better control over the temperature.

Pros and Cons

Pros

  • Excellent moisture and fluid barrier due to adhesive lining
  • High shrink ratio offers versatility for varied wire gauges
  • Meets rigorous UL224 safety standards
  • Provides robust mechanical strain relief
  • Rated for high-temperature operations up to 125°C

Cons

  • Requires professional-grade heat gun for proper activation
  • Adhesive can become messy if overheated
  • Not suitable for applications exceeding 600V
  • Single 1.22m length may not be enough for large-scale wiring projects

Setup, Compatibility & Care

To ensure the best results, always measure the diameter of your wire and connector before choosing the tubing size. The 4mm to 1mm shrink capability works best when the tubing is allowed to recover fully onto the target surface without excessive force.

  1. Cut the tubing to size, leaving at least 10-15mm of coverage beyond the splice.
  2. Ensure the surface is clean and free of oil or dirt to allow the adhesive to bond properly.
  3. Apply heat evenly using a heat gun, rotating the cable to avoid localized overheating.
  4. Allow the tubing to cool completely before applying any physical stress or pulling on the wire.

Store the tubing in a cool, dry environment away from direct sunlight to prevent premature adhesive degradation.

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