HSMB254BROWN Partex 2:1 heat shrink tubing, 25.4/12.7mm, brown, pack 5m

HSMB254BROWN Partex 2:1 heat shrink tubing, 25.4/12.7mm, brown, pack 5m

Partex HSMB254BROWN is a brown 2:1 heat shrink tubing with a 25.4 mm supplied diameter, 12.7 mm recovered diameter and 5 m pack length, designed for electrical insulation, cable protection and colour-coded conductor identification.

SKU: HSMB254BROWNMPN: HSMB254BROWN
Price
List Price £17.38 ex VAT
Your Price (ex VAT)
£17.38
Price per pack of 5
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Manufacturer Lead Time

£17.38

Why Choose the Partex HSMB254BROWN 2:1 Brown Heat Shrink Tubing?

The Partex HSMB254BROWN is a versatile brown heat shrink tubing designed for electrical insulation, cable protection and colour-coded conductor identification in industrial and commercial electrical installations. Featuring a 2:1 shrink ratio, the tubing contracts to approximately half its original internal diameter when heated, creating a close-fitting protective sleeve around suitably sized cables, wires and electrical components.

As part of the Partex HSMB heat shrink tubing range, HSMB254BROWN provides a practical solution for electrical contractors, control panel builders and maintenance engineers requiring organised wiring and dependable cable protection. Its brown finish supports visual conductor identification and is particularly useful in installations where brown is used to identify a line conductor in accordance with applicable electrical wiring standards.

With a nominal supplied internal diameter of 25.4 mm, a nominal fully recovered internal diameter of 12.7 mm and a 5 m pack length, this heat shrink tubing is suitable for larger cable sections, conductor terminations and electrical wiring assemblies. Its cut-to-length format allows installers to prepare individual protective sleeves for cable insulation, identification and maintenance applications.

Key Advantages

  • 2:1 heat shrink ratio provides a close-fitting sleeve around appropriately sized cables and electrical components.
  • 25.4 mm supplied internal diameter reduces to approximately 12.7 mm after full recovery.
  • Brown colour supports conductor identification and colour-coded electrical wiring systems.
  • Provides additional electrical insulation and mechanical protection when correctly selected and installed.
  • 5 m pack length allows flexible cutting for individual installation requirements.
  • Suitable for industrial control panels, electrical distribution assemblies and cable harness applications.
  • Helps protect covered cable sections against abrasion and routine handling damage.
  • Supports neat, professional and easily identifiable electrical wiring installations.

Key Features

  • Partex HSMB heat shrink tubing range.
  • 2:1 shrink ratio for controlled diameter reduction.
  • 25.4 mm nominal supplied internal diameter.
  • 12.7 mm nominal fully recovered internal diameter.
  • Brown colour for conductor identification and colour-coded wiring.
  • 5 m pack length for flexible cutting and installation.
  • Heat-activated shrinking creates a close-fitting protective covering.
  • Suitable for cable insulation, conductor protection and electrical identification applications.
  • Can be cut into shorter sections for individual cable and termination requirements.
  • Designed for electrical installation, maintenance and cable assembly work.

Reliable Cable Insulation and Colour-Coded Conductor Protection

Heat shrink tubing provides a convenient method of protecting, insulating and identifying electrical wiring. When suitable heat is applied, the tubing contracts around the cable or component, forming a close-fitting sleeve that helps protect against abrasion, handling damage and accidental contact with covered conductive parts. The Partex HSMB254BROWN features a 2:1 shrink ratio, allowing its nominal internal diameter to reduce from 25.4 mm to 12.7 mm when fully recovered.

The brown finish is particularly useful in electrical installations where conductor colour identification is important. Under current UK harmonised wiring colour conventions, brown identifies a line conductor in single-phase circuits and the L1 conductor in three-phase circuits. HSMB254BROWN can therefore be used for appropriately sized conductor identification applications where permitted by the relevant installation standards. For dependable results, the tubing should be selected according to the cable dimensions, required insulation performance and environmental conditions, then installed using suitable controlled heating equipment. It should not be treated as a substitute for a correctly rated electrical connection or primary insulation system without appropriate verification.

Typical Applications

  • Electrical cable insulation and protection.
  • Brown line conductor identification in suitable electrical installations.
  • Industrial control panel wiring and cable management.
  • Electrical distribution boards and switchgear assemblies.
  • Protective sleeving for appropriately sized cable joints and terminations.
  • Industrial automation equipment and machinery wiring.
  • Electrical equipment maintenance and refurbishment.
  • OEM cable harnesses and electrical wiring assemblies.
  • Colour-coded identification of selected conductor groups.
  • General electrical installation and workshop applications.

Technical Specifications

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Supply Format 5 m
Device Type Heat-shrink tubing
Material Polyolefin
Cable Diameter (mm) 12.7–25.4 mm
Internal Diameter Before Shrinking (mm) 25.4 mm
Shrink Ratio 2:1
Colour Brown
Adhesive Lined No
Manufacturer Partex
Product range HSMB Heat Shrink Tubing
Part number HSMB254BROWN
Product type Heat shrinkable electrical insulation tubing
Shrink ratio 2:1
Nominal supplied internal diameter 25.4 mm
Nominal fully recovered internal diameter 12.7 mm
Colour Brown
Pack length 5 m
Installation method Heat shrinking
Application Electrical insulation, cable protection and conductor identification
Format Cut-to-length tubing
HS Code 39269097

Frequently Asked Questions

What is the Partex HSMB254BROWN heat shrink tubing used for?

The Partex HSMB254BROWN is used for electrical insulation, cable protection and colour-coded conductor identification. Its brown finish is particularly suitable for identifying appropriately sized line conductors in electrical installations where brown is the designated conductor colour.

What does the 2:1 shrink ratio mean?

A 2:1 shrink ratio means that the tubing can reduce to approximately half its original internal diameter when fully recovered. The HSMB254BROWN has a nominal supplied internal diameter of 25.4 mm and a nominal recovered internal diameter of 12.7 mm.

How much tubing is supplied in one pack?

Each pack contains 5 m of brown heat shrink tubing, which can be cut into shorter sections to suit individual cable insulation, conductor identification and protection requirements.

Can Partex HSMB254BROWN be used for line conductor identification?

Yes. The brown finish is suitable for identifying line conductors where brown is required by the applicable wiring standard. In UK harmonised conductor colour identification, brown is used for single-phase line conductors and L1 in three-phase systems. The tubing must be installed in accordance with the relevant electrical regulations.

How is Partex HSMB254BROWN installed?

Cut the tubing to the required length, position it over a suitably sized cable or component and apply controlled heat using an appropriate heat gun. The tubing contracts around the component to create a close-fitting protective sleeve. Ensure the electrical equipment is safely isolated before installation and avoid overheating the tubing or surrounding insulation.

Trusted by Electrical Installers and Panel Builders

Partex heat shrink tubing provides a practical solution for electrical professionals who require dependable cable protection, organised wiring and clear conductor identification. The HSMB254BROWN combines a versatile 2:1 shrink ratio with a distinctive brown finish, making it a useful choice for electrical distribution assemblies, industrial control panels and colour-coded conductor identification.

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