HSMB32BLUE Partex 2:1 heat shrink tubing, 3.2/1.6mm, blue, pack 15m

Why Choose the Partex HSMB32BLUE 2:1 Blue Heat Shrink Tubing?

The Partex HSMB32BLUE is a professional blue 2:1 heat shrink tubing designed for electrical insulation, wire protection and colour-coded identification of electrical conductors. Featuring a nominal supplied diameter of 3.2 mm and a nominal recovered diameter of 1.6 mm, this tubing contracts when heated to provide a close-fitting protective covering around appropriately sized wires and electrical components.

Designed for professional electrical installation, cable management and maintenance applications, Partex heat shrink tubing is suitable for industrial control panels, machinery wiring, electronic equipment and electrical assemblies. Its distinctive blue finish supports visual identification and organised wiring, making it useful where individual conductors, circuits or cable groups need to be distinguished within an electrical installation.

Supplied in a convenient 15 m pack, the HSMB32BLUE provides material for repeated cable insulation, wiring repairs and electrical assembly tasks. Its 3.2/1.6 mm nominal dimensions make it particularly useful for small-diameter cables, individual conductors and electrical connections where a compact, professional finish and clear colour identification are required.

Key Advantages

• 2:1 heat shrink ratio allows the tubing to recover to approximately half its original nominal diameter.
• 3.2 mm supplied diameter accommodates appropriately sized small conductors and electrical connections.
• 1.6 mm nominal recovered diameter provides a close-fitting covering around compatible wires.
• Blue colour supports visual identification and colour-coded cable management.
• 15 m pack length provides material for multiple electrical installation and maintenance tasks.
• Helps protect electrical wiring against abrasion, handling and minor mechanical wear.
• Supports organised cable management and professional finishing of electrical connections.
• Heat-activated installation provides a close-fitting sleeve without additional fastening components.

Key Features

• Partex HSMB32BLUE heat shrink tubing.
• 2:1 nominal shrink ratio.
• 3.2 mm nominal diameter before shrinking.
• 1.6 mm nominal recovered diameter.
• Blue colour for visual cable and conductor identification.
• 15 m supplied pack length.
• Heat-activated shrinkage for close-fitting conductor protection.
• Suitable for appropriately sized small-diameter cables and electrical wiring.
• Useful for electrical insulation, cable protection and colour-coded identification.
• Practical for industrial control panels, machinery wiring and electrical maintenance.

Colour-Coded Cable Protection for Industrial Control and Automation Systems

Heat shrink tubing provides a practical method of insulating and protecting electrical wiring by contracting around a conductor or component when controlled heat is applied. The Partex HSMB32BLUE features a nominal 2:1 shrink ratio, allowing its diameter to reduce from approximately 3.2 mm to 1.6 mm when fully recovered. This makes it useful for small cable connections, conductor coverings and wiring assemblies where a close-fitting protective sleeve is required.

In industrial automation and electrical control systems, blue heat shrink tubing can help identify designated conductors, organise wire harnesses and provide a tidy finish to completed electrical assemblies. Blue colouring may be used within an appropriate wiring identification scheme, but the tubing colour alone does not establish a conductor's electrical function. Where blue is reserved for neutral conductors or another designated purpose under applicable standards, installers must follow those requirements. The tubing should fit over the largest part of the connection before shrinking and recover sufficiently around the smallest section. Applications requiring a specified voltage rating, operating temperature, flame classification or environmental sealing should be checked against the applicable Partex technical documentation.

Typical Applications

• Electrical wire insulation and conductor protection.
• Industrial control panel wiring and assembly.
• Small cable joints and electrical connection coverings.
• Machinery wiring and industrial automation equipment.
• Blue colour-coded identification of designated conductors.
• Wire harness assembly and cable organisation.
• Electronic equipment wiring and small cable assemblies.
• Electrical maintenance, cable repairs and professional wiring finishes.