Thermal tube Brother Hs2-221 white 8.8 mm x 1.5 m – heat-shrink tube for cable marking

Brother Hs2-221 is a white thermal shrink tube with an 8.8 mm diameter and 1.5 m length designed for heat-shrink marking and insulation of cables and wiring. Compatible with Brother labeling and tubing tools, this heat-shrink tube provides protective insulation and a neat finish for cable identification, repair and routing in electrical and electronic installations.

Advantages

The heat-shrink material conforms to irregular cable shapes and creates a tight, durable sleeve after application, improving mechanical protection and reducing exposure to dust and moisture. Its white color offers a clear background for printed or handwritten markings, supporting legible cable identification. The tube’s specified diameter and length make it suitable for a range of cable bundles and individual conductors, while compatibility with Brother labeling and tubing tools ensures consistent, machine-friendly marking.

Suitable for

• Insulating and marking individual cables and wire bundles
• Repairing damaged insulation on power or signal conductors
• Organizing and routing wiring in electrical panels and control cabinets
• Labeling conductors for maintenance and system documentation

Key specifications

• Color: white
• Nominal diameter before shrink: 8.8 mm
• Length: 1.5 m
• Type: heat-shrink tube for cable marking and insulation

How to use

Measure and cut a length of tube slightly longer than the area to be covered, allowing space for shrinkage at each end. Slide the tube over the cable or connection point, then apply heat evenly using an appropriate heat source such as a hot-air gun or compatible Brother heating tool until the tube contracts and forms a snug seal around the conductor. If marking is required, print or write identification on the tube before applying heat when using compatible labeling equipment, or follow the instructions of your Brother tubing tool for in-line printing and shrinking.

Usage recommendations

Ensure the selected tube diameter is appropriate for the cable when cold to achieve correct shrink ratio and sealing. Use a controlled heat source to avoid overheating nearby components, and allow the tube to cool before handling. For long-term reliability in environments with high moisture or mechanical stress, consider combining with proper strain relief and routing practices.