Quadrios 26CA782 tubo termorretráctil negro 50mm 25mm 2:1 5m

Electricians and maintenance technicians use this Quadrios heat shrink tubing to insulate and protect cable splices and connectors in industrial and automotive environments. The black polyolefin sleeve shrinks from a supplied diameter of 50 mm to 25 mm when heated, providing a tight, durable seal without adhesive lining.

Key specifications

• Supplied diameter: 50 mm
• Recovered diameter: 25 mm
• Shrink ratio: 2:1
• Length: 5 m
• Material: Polyolefin
• Colour: Black
• Adhesive lined: No
• Minimum shrink temperature: 70 °C
• Full recovery temperature: 110 °C
• Operating temperature range: -55 °C to +125 °C
• Dielectric strength: 20 kV/mm
• Flame retardant: Yes
• Halogen-free: No
• RoHS compliant: Yes
• Supplied wall thickness: 1.2 mm
• Recovered wall thickness: 2.4 mm

Why choose it

The 2:1 shrink ratio and wide operating temperature range make this tubing suitable for demanding electrical insulation tasks. Its flame-retardant polyolefin construction adds safety in installations where fire resistance is required.

Ideal use cases

• Insulating cable joints and terminations
• Bundling and protecting wire harnesses
• Repairing damaged cable insulation
• Providing strain relief for connectors

Good to know

This tubing is not adhesive lined, so it is ideal for applications where a clean, non-sticky inner surface is preferred. It meets RoHS compliance for restricted substances.