HS2508BLUE Partex 2:1 heat shrink tubing, 50.8/25.4mm, blue, pack 30m

Why Choose the Partex HS2508BLUE 2:1 Heat Shrink Tubing?

The Partex HS2508BLUE is a high-quality 2:1 heat shrink tubing designed to provide reliable electrical insulation, cable protection and professional cable management in industrial, electrical and automation applications. Manufactured from durable flame-retardant, cross-linked polyolefin, this blue heat shrink sleeving offers excellent flexibility, dependable insulation performance and resistance to everyday mechanical wear.

As part of the Partex HS2 heat shrink tubing range, the HS2508BLUE is designed to shrink tightly around cables, wires, connectors and electrical components when heated. Its 2:1 shrink ratio allows the tubing to reduce from a nominal supplied diameter of 50.8 mm to approximately 25.4 mm, providing a secure and professional protective covering for larger cable assemblies and electrical connections.

Supplied in a convenient 30 m reel, the Partex HS2508BLUE is ideal for electrical contractors, panel builders, maintenance engineers and industrial manufacturers requiring a practical solution for cable insulation and identification. Its distinctive blue colour supports visual cable identification and organised wiring installations, while its operating temperature range of -55 °C to +125 °C makes it suitable for a wide variety of demanding electrical environments.

Key Advantages

• High-quality 2:1 heat shrink tubing for electrical insulation and cable protection.
• 50.8 mm supplied diameter reducing to a nominal 25.4 mm after shrinking.
• 30 m reel provides a practical bulk supply for industrial installations and maintenance work.
• Durable flame-retardant cross-linked polyolefin construction.
• Blue colour enables clear cable identification and organised wiring systems.
• Wide -55 °C to +125 °C operating temperature range.
• 600 V voltage rating for suitable electrical insulation applications.
• UL-approved tubing with VW-1 flame-retardant characteristics.
• Flexible construction conforms around cables, connectors and electrical components.
• Suitable for industrial automation, electrical panel building and cable assembly applications.

Key Features

• Partex HS2 standard heat shrink tubing series.
• 2:1 nominal shrink ratio for secure cable and component covering.
• 50.8 mm nominal internal diameter before shrinking.
• 25.4 mm nominal recovered diameter for product size identification.
• Blue polyolefin sleeving for insulation and visual identification.
• 30 m continuous reel for cutting to the required installation length.
• Flame-retardant cross-linked polyolefin material.
• Minimum shrink temperature of approximately 100 °C.
• Operating temperature range from -55 °C to +125 °C.
• 600 V electrical rating.
• UL approval and VW-1 flammability classification.
• Low-smoke, zero-halogen material characteristics.
• Standard-wall construction for general-purpose electrical protection.
• Suitable for use with an appropriate hot-air heat gun.

Reliable Electrical Insulation and Cable Protection

The Partex HS2508BLUE heat shrink tubing provides an effective method of insulating and protecting electrical cables, wire joints and cable terminations. When heated using suitable equipment, the cross-linked polyolefin material contracts around the underlying component, creating a close-fitting protective sleeve that helps reduce exposure to abrasion, mechanical wear and accidental contact with insulated connections.

Its 2:1 shrink ratio makes the tubing particularly useful for covering larger cables and components where a substantial reduction in sleeve diameter is required. The tubing can be cut to the desired length before installation, allowing engineers and installers to produce neat, consistent cable coverings without complicated fitting procedures.

The blue finish is especially useful in control cabinets, industrial wiring systems and electrical distribution installations where colour coding improves cable recognition and maintenance efficiency. Combined with its flame-retardant construction and broad operating temperature range, the HS2508BLUE provides a dependable solution for general-purpose electrical insulation and cable management. As a standard non-adhesive heat shrink sleeve, it is intended for insulation and mechanical protection rather than forming a waterproof seal.

Typical Applications

• Electrical cable insulation and protective sleeving.
• Industrial control panel wiring and cable management.
• Protection of cable joints, connectors and terminations.
• Blue colour-coded cable identification systems.
• Industrial automation and machine wiring installations.
• Electrical equipment manufacturing and assembly.
• Maintenance and repair of electrical cable assemblies.
• Protective covering for larger wiring harnesses and cable bundles.
• Power distribution equipment and electrical enclosures.
• OEM machinery manufacturing and industrial engineering projects.