General
Shrink rate	3:1
Colour	Black
Material type	Thin-walled
Packaging	spool box
Application area	Electrical engineering
Fire resistant properties	very good
Compatibility	HIS-Service Station

The heat shrink tube HIS-3-6/2-PO-X-BK from HellermannTyton is a thin-walled, flexible heat shrink tube with a shrink ratio of 3:1, specifically designed for use in electrical engineering and cable protection installations. It is supplied in a dispenser box, which enables dust-free, orderly storage and easy handling. The dispenser box is particularly suitable for smaller requirements and fits the HIS-Service Station. The heat shrink tube is available in black and features excellent fire protection properties, making it suitable for applications with increased safety requirements.

Applications

The heat shrink tube is used in electrical engineering to protect cables, wires, and electrical connections. It provides mechanical stabilization, protection against environmental influences such as moisture, dust, or mechanical stress, as well as identification of wires through color coding. The shrink ratio of 3:1 allows adaptation to various cable diameters and ensures a secure, tight fit. Use in electrical installations is particularly advantageous, as the heat shrink tube is space-saving and lightweight.

Functions and Features in Detail

The heat shrink tube HIS-3-6/2-PO-X-BK is constructed with thin walls, making it flexible, lightweight, and space-saving. The shrink ratio of 3:1 means the tube shrinks to one-third of its original diameter, allowing it to adapt to different cable diameters. This increases the range of applications and ensures a secure clamping pressure. The black color enables clear visual identification and is commonly used in electrical engineering. The dispenser box ensures clean and structured storage and facilitates the unwinding of the tube.

Technical Explanation

A heat shrink tube shrinks when heated by heat sources such as a gas hot air blower or a heating device. The shrinkage occurs due to the thermoplastic structure of the material, which changes shape and contracts when heated. The shrink ratio of 3:1 means the tube shrinks to one-third of its original diameter when heated. This allows adaptation to various cable diameters. The excellent fire protection properties result from the material used, which does not easily ignite at high temperatures and hinders the spread of fire.

Compatibility and Accessories

The heat shrink tube is designed for use with the HIS-Service Station, which enables structured and efficient handling. As an accessory, the gas hot air blower CHG900-PA-GY is recommended for heating the tube. Additionally, the heat shrink tube WSB 3:1 Box 6,0-2,0 in black is available, also supplied in a dispenser box and suitable for similar applications. Combining it with appropriate heat sources ensures secure and even shrinkage.

Installation and Mounting

Installation is performed by sliding the heat shrink tube onto the cable or wire to be protected. The tube is then heated using a gas hot air blower or similar device, causing it to shrink and form a tight, secure fit. The dispenser box facilitates unwinding and handling, especially for smaller quantities. Use in electrical engineering requires no additional tools or materials—the installation is performed directly on the cable.

Operational Advantages

The heat shrink tube offers high flexibility due to the 3:1 shrink ratio, enabling adaptation to various cable diameters. The thin-walled construction ensures low weight and space savings. The excellent fire protection properties increase safety in electrical installations. The dispenser box ensures clean storage and easy handling, making electrical installation workflows more efficient. The black color supports visual identification and is widely used in electrical engineering.