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HSDW3-12 Partex adhesive-lined 3:1 heat shrink, 12/4mm, pack Length
Partex HSDW3-12 black adhesive-lined 3:1 dual-wall heat shrink tubing, supplied in a 1.2 m length with a 12 mm supplied diameter and 4 mm recovered diameter, manufactured from flame-retardant cross-linked polyolefin for electrical insulation, moisture-resistant cable joint sealing and industrial cable protection.
£2.18
Why Choose the Partex HSDW3-12 Adhesive-Lined 3:1 Heat Shrink Tubing?
The Partex HSDW3-12 is a high-quality adhesive-lined 3:1 heat shrink tubing designed to provide reliable electrical insulation, cable protection and environmental sealing for electrical connections and cable assemblies. Featuring a durable dual-wall construction with an outer heat-shrinkable polyolefin sleeve and an internal heat-activated adhesive lining, this tubing provides additional protection against moisture, dust, abrasion and mechanical wear.
As part of the Partex HSDW3 adhesive-lined heat shrink tubing series, the HSDW3-12 features a 3:1 shrink ratio, allowing its nominal internal diameter to reduce from 12 mm to 4 mm when fully recovered. During installation, the outer sleeve contracts around the cable or component while the internal adhesive softens and flows to help create a secure, moisture-resistant seal.
The Partex HSDW3-12 is ideal for electrical contractors, industrial maintenance engineers, control panel builders and equipment manufacturers requiring dependable protection for cable joints, connectors and electrical terminations. Its black adhesive-lined construction and flexible 3:1 shrink ratio make it particularly suitable for industrial wiring, electrical repairs and cable assemblies where standard single-wall heat shrink tubing may not provide sufficient environmental protection.
Key Advantages
- High-quality 3:1 adhesive-lined heat shrink tubing for electrical insulation and cable protection.
- 12 mm nominal supplied diameter reducing to approximately 4 mm after full recovery.
- Dual-wall construction combines a protective outer sleeve with an internal adhesive lining.
- Heat-activated adhesive helps seal cable connections against moisture, dust and environmental contaminants.
- Durable cross-linked polyolefin outer material provides flexible mechanical protection.
- Wide shrink ratio accommodates variations in cable, connector and splice diameters.
- Black finish provides a professional appearance for electrical cable assemblies.
- Helps protect electrical connections against abrasion, vibration and mechanical wear.
- Suitable for industrial automation, electrical maintenance and cable harness manufacturing.
- Can be cut to the required length for individual installation requirements.
Key Features
- Partex HSDW3 dual-wall heat shrink tubing series.
- 3:1 nominal shrink ratio for flexible installation over cables and connectors.
- 12 mm nominal internal diameter before shrinking.
- 4 mm nominal recovered internal diameter.
- Black cross-linked polyolefin outer sleeve for electrical insulation and mechanical protection.
- Internal hot-melt adhesive lining for moisture-resistant environmental sealing.
- Dual-wall construction provides insulation and additional sealing performance.
- Helps protect cable connections against moisture, dust and mechanical abrasion.
- Suitable for covering wire splices, cable joints and electrical terminations.
- Heat-activated recovery using suitable hot-air equipment.
- Can be cut into customised lengths before installation.
- Suitable for electrical panel building, industrial maintenance and wiring harness assembly.
Reliable Adhesive-Lined Cable Protection and Environmental Sealing
The Partex HSDW3-12 adhesive-lined heat shrink tubing provides an effective solution for insulating electrical connections and protecting cable assemblies against moisture, dust and mechanical wear. Unlike conventional single-wall heat shrink tubing, its dual-wall construction incorporates an internal adhesive layer that softens during heating and helps fill small gaps between the tubing and the underlying cable or component.
Its 3:1 shrink ratio makes it particularly useful for covering electrical connections where the cable joint or connector has a larger diameter than the adjoining cable insulation. The tubing can be positioned over the connection before heating, allowing the outer sleeve to contract around the assembly while the internal adhesive flows to improve sealing and mechanical stability.
When correctly installed, the combination of cross-linked polyolefin sleeving and heat-activated adhesive helps create a close-fitting, moisture-resistant protective covering. This makes the HSDW3-12 suitable for industrial maintenance, cable repairs and electrical equipment manufacturing where dependable insulation and environmental protection are important. Sealing performance depends on correct installation, compatible cable materials and the operating conditions of the complete assembly.
Typical Applications
- Electrical cable joint insulation and environmental sealing.
- Protection of wire splices and electrical connections.
- Moisture-resistant cable termination protection.
- Industrial control panel wiring and cable assemblies.
- Electrical maintenance and cable repair applications.
- Protection of wiring harnesses and connector transitions.
- Industrial automation and machine wiring installations.
- Outdoor electrical connections requiring suitable additional sealing.
- Electrical equipment manufacturing and assembly.
- OEM machinery manufacturing and industrial engineering projects.
Technical Specifications
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| Adhesive Lined | Yes | |
|---|---|---|
| Device Type | Heat-shrink tubing | |
| Material | Polyolefin | |
| Cable Diameter (mm) | 4–12 mm | |
| Internal Diameter Before Shrinking (mm) | 12 mm | |
| Shrink Ratio | 3:1 | |
| Colour | Black | |
| Manufacturer | Partex | |
| Series | HSDW3 Adhesive-Lined Heat Shrink Tubing | |
| Model | HSDW3-12 | |
| Product type | Adhesive-lined heat shrink tubing | |
| Construction | Dual-wall | |
| Outer material | Cross-linked polyolefin | |
| Inner lining | Heat-activated adhesive | |
| Colour | Black | |
| Shrink ratio | 3:1 | |
| Nominal supplied internal diameter | 12 mm | |
| Nominal recovered internal diameter | 4 mm | |
| Installation method | Heat shrinking using suitable hot-air equipment | |
| Primary function | Electrical insulation and environmental sealing | |
| Secondary function | Cable joint protection and mechanical reinforcement | |
| Typical installation | Cable joints, wire splices, connectors and electrical terminations | |
| HS Code | 39269097 |
Frequently Asked Questions
What is the Partex HSDW3-12 adhesive-lined heat shrink tubing used for?
The Partex HSDW3-12 is used for electrical insulation, cable joint protection and environmental sealing of wire splices, connectors and cable terminations. Its internal adhesive lining helps protect properly sealed connections against moisture and contaminants.
What is the shrink ratio of the Partex HSDW3-12?
The tubing has a 3:1 shrink ratio, meaning its nominal internal diameter reduces from 12 mm to approximately 4 mm when fully recovered.
What is the advantage of adhesive-lined heat shrink tubing?
Adhesive-lined heat shrink tubing contains an internal adhesive layer that softens during heating and helps seal the tubing against the underlying cable or component. This provides additional protection against moisture, dust and environmental contaminants compared with standard non-adhesive tubing.
Is the Partex HSDW3-12 suitable for waterproof cable connections?
The dual-wall adhesive-lined construction helps create a moisture-resistant seal when installed correctly. However, suitability for waterproof or submerged applications depends on the complete cable assembly, installation conditions and any required ingress protection rating.
How is the Partex HSDW3-12 installed?
Cut the tubing to the required length, position it over the cable joint or connector and apply controlled heat using a suitable hot-air heat gun. Continue heating evenly until the outer sleeve contracts and the internal adhesive flows to form a seal. Allow the assembly to cool before handling or applying mechanical stress.
Trusted by Electrical and Industrial Professionals Worldwide
Partex adhesive-lined heat shrink tubing provides a practical solution for electrical insulation, cable joint protection and environmental sealing. The HSDW3-12 combines a versatile 3:1 shrink ratio, durable dual-wall construction and heat-activated adhesive lining to support reliable cable protection in electrical engineering, industrial maintenance and automation applications.
