

Dual Wall Heat Shrink 12‑Piece Assortment 3.2–4.8 mm
Voltflow
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Features
The VoltFlow Dual Wall Heat Shrink 12‑Piece Assortment (3.2–4.8 mm) offers superior protection and insulation for a wide range of applications. Featuring adhesive‑lined inner walls and a flame-retardant outer layer, these tubes provide a watertight, corrosion-resistant seal—perfect for marine, off-road, automotive, telecom, or general electronics work.
This kit includes mixed colour sleeves sized 3.2 mm and 4.8 mm in green, yellow, white, and blue, each cut to 150 mm length. The dual-wall construction compresses around wiring and connectors to seal out moisture and dust, while providing excellent mechanical and strain relief.
With a high shrink ratio, the tubing fits snugly over splices and joints, offering both electrical insulation and environmental sealing. The flame-retardant polyolefin material further enhances safety and durability.
Perfect For: wiring repairs, battery connections, cable joints, and outdoor equipment exposed to moisture or vibration.
Key Features:
- Adhesive-lined dual-wall tubing ensures waterproof seal
- Flame-retardant and chemical-resistant for harsh environments
- Includes 2 × 3.2 mm in green, yellow, white and blue, and 1 × 4.8 mm tubes in green, yellow, white and blue (150 mm length each)
- Shrink ratio provides tight seal and strain relief
- Suitable for marine, automotive, telecom, and general electronics applications
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