HSDW3-18 Partex adhesive-lined 3:1 heat shrink, 18/6mm, pack Length

HSDW3-18 Partex adhesive-lined 3:1 heat shrink, 18/6mm, pack Length

Partex HSDW3-18 adhesive-lined 3:1 dual-wall heat shrink tubing with an 18 mm supplied diameter and 6 mm nominal recovered diameter for electrical insulation, cable joint protection and moisture-resistant connection sealing.

SKU: HSDW3-18MPN: HSDW3-18
Price
List Price £7.91 ex VAT
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Why Choose the Partex HSDW3-18 Adhesive-Lined 3:1 Heat Shrink Tubing?

The Partex HSDW3-18 is an adhesive-lined 3:1 heat shrink tubing designed for electrical insulation, cable protection and the sealing of compatible electrical connections. Featuring a nominal supplied diameter of 18 mm and a recovered diameter of 6 mm, this dual-wall heat shrink tubing provides a practical solution for protecting cables, joints and terminations in electrical installations.

Unlike standard single-wall heat shrink tubing, the adhesive-lined construction incorporates an internal adhesive layer that softens during heating, helping form a seal between the tubing and the underlying cable or component. This provides additional protection against moisture ingress and environmental exposure when the tubing is correctly selected and installed.

With its 3:1 shrink ratio, the HSDW3-18 accommodates a wider range of cable and connector dimensions than comparable 2:1 tubing. It is particularly useful for electrical maintenance, industrial control panel wiring, cable repairs and electrical terminations where insulation, mechanical protection and additional sealing are required.

Key Advantages

  • 3:1 shrink ratio accommodates a wide range of compatible cable and connector diameters.
  • Adhesive-lined construction helps create a protective seal around cables and electrical connections.
  • 18 mm supplied diameter allows installation over appropriately sized cable joints and terminations.
  • 6 mm nominal recovered diameter enables close-fitting protection around smaller cable sections.
  • Dual-wall design combines an outer heat shrink sleeve with an internal adhesive lining.
  • Helps protect electrical connections against moisture ingress, abrasion and everyday environmental exposure.
  • Provides a neat, professional finish for cable repairs, electrical installations and industrial maintenance.

Key Features

  • Partex HSDW3-18 adhesive-lined heat shrink tubing.
  • 3:1 nominal shrink ratio.
  • 18 mm nominal diameter before shrinking.
  • 6 mm nominal recovered diameter.
  • Internal adhesive lining for additional sealing around compatible cables and components.
  • Dual-wall heat shrink construction for insulation and protective covering.
  • Heat-activated shrinkage and adhesive bonding.
  • Suitable for electrical cable joints, terminations and repair applications.
  • Useful for industrial control panels, machinery wiring and electrical maintenance.
  • Accommodates changes in diameter across appropriately sized cable connections.

Adhesive-Lined Cable Protection for Industrial Electrical Systems

Adhesive-lined heat shrink tubing provides a method of insulating and sealing electrical connections. When suitable heat is applied, the outer sleeve contracts around the cable or component while the internal adhesive softens and flows into compatible surface gaps. As the assembly cools, the adhesive helps establish a protective bond, reducing potential paths for moisture ingress. The Partex HSDW3-18 offers a nominal reduction from 18 mm to 6 mm, making it suitable for installations with varying cable and connector diameters.

This combination of insulation and sealing is useful in industrial automation equipment, electrical control systems, machinery wiring and cable maintenance. The HSDW3-18 can be used to protect appropriately sized cable joints and terminations where a conventional unlined heat shrink sleeve may not provide sufficient environmental sealing. Installers should ensure that the tubing can pass over the largest component before shrinking and recover sufficiently around the smallest section. Any required voltage rating, operating temperature or environmental protection classification should be confirmed against the applicable manufacturer documentation before use.

Typical Applications

  • Electrical cable joint insulation and sealing.
  • Protection of cable terminations and connector transitions.
  • Industrial control panel wiring and electrical assemblies.
  • Machinery wiring and automation equipment maintenance.
  • Cable sheath repairs and protective coverings.
  • Electrical installation and maintenance work.
  • Wire harness protection and cable assembly finishing.
  • Connections requiring additional protection against moisture ingress.

Technical Specifications

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Adhesive Lined Yes
Material Polyolefin
Cable Diameter (mm) 6–18 mm
Internal Diameter Before Shrinking (mm) 18 mm
Shrink Ratio 3:1
Device Type Heat-shrink tubing
Manufacturer Partex
Model HSDW3-18
Product type Adhesive-lined heat shrink tubing
Construction Dual-wall, adhesive-lined
Shrink ratio 3:1
Nominal diameter before shrinking 18 mm
Nominal recovered diameter 6 mm
Internal lining Heat-activated adhesive
Installation method Controlled heat application
Primary function Electrical insulation, cable protection and connection sealing
Typical installation Cable joints, electrical terminations and wiring repairs
HS Code 39269097

Frequently Asked Questions

What is the Partex HSDW3-18 used for?

The Partex HSDW3-18 is used for electrical insulation, cable protection and sealing of compatible cable joints and terminations. Its adhesive-lined construction helps provide additional protection against moisture ingress.

What does the 3:1 shrink ratio mean?

A 3:1 shrink ratio means the tubing can recover to approximately one-third of its original nominal diameter when correctly heated, reducing from 18 mm to 6 mm.

What is the benefit of adhesive-lined heat shrink tubing?

The internal adhesive softens during heating and helps seal the gap between the tubing and the underlying cable or component. This provides additional protection against moisture ingress compared with a conventional unlined heat shrink sleeve.

What cable sizes can the HSDW3-18 accommodate?

The tubing has an 18 mm nominal supplied diameter and a 6 mm nominal recovered diameter. The largest section of the cable assembly must fit inside the unshrunk tubing, while the smallest section must be large enough for the tubing to recover around it and form an effective seal.

Is the Partex HSDW3-18 suitable for outdoor or damp environments?

The adhesive lining helps resist moisture ingress when correctly installed, making it useful where additional environmental sealing is required. However, suitability for outdoor exposure, immersion or a particular ingress protection rating must be confirmed against the manufacturer's technical specifications.

Trusted by Electrical Installers and Industrial Professionals

Partex cable identification and protection products support professional electrical installation, industrial automation and maintenance applications. The HSDW3-18 adhesive-lined 3:1 heat shrink tubing provides a practical solution for insulating, protecting and sealing compatible cable joints and electrical terminations in industrial and commercial wiring systems.

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