HellermannTyton HA47 Thick-Wall Heat Shrink Tubing with Adhesive, 13 mm to 4 mm, Black 321-50130

Electricians and maintenance technicians rely on this thick-wall heat shrink tubing to seal and protect cable splices and connectors in demanding environments. The HA47 series features a cross-linked polyolefin outer wall with a thermoplastic adhesive inner lining that melts during shrinking, creating a waterproof and mechanically robust seal.

Key specifications

• Supplied diameter: 13 mm
• Recovered diameter: 4 mm
• Shrink ratio: 3.25:1
• Wall type: thick-walled with adhesive lining
• Material: cross-linked polyolefin
• Colour: black
• Minimum shrink temperature: 120 °C
• Operating temperature range: -40 °C to +120 °C
• Dielectric strength: >15 kV/mm
• Flammability: self-extinguishing
• UV resistance: good
• Chemical resistance: excellent against common fluids and solvents

Why choose it

The adhesive lining provides a reliable moisture barrier, preventing corrosion and ensuring long-term insulation integrity. The thick wall offers excellent abrasion and mechanical protection, making it suitable for harsh industrial and outdoor applications.

Ideal use cases

• Insulating and sealing electrical splices and terminations
• Strain relief for cable entries and connectors
• Corrosion protection for metallic components
• Mechanical protection of cables and harnesses

Good to know

This tubing is supplied in black and is RoHS compliant. It is sold by the meter or roll, with length determined at point of purchase.