Quadrios 1905CA058 Heat Shrink Tubing Assortment, 54 mm, 2:1, 4 Pieces (Transparent, Blue, Yellow, Red)

This Quadrios heat shrink tubing set stands out with its 54 mm diameter and adhesive-free design, making it ideal for battery insulation and bundling where a clean, non-sticky finish is required. The 2:1 shrink ratio ensures a snug fit over irregular shapes, while the assortment of four colours—transparent, blue, yellow, and red—allows for easy identification and colour-coding of connections.

Highlights

• Large 54 mm flat width shrinks down to 27 mm for versatile coverage.
• No adhesive lining, so it slides off easily if rework is needed.
• Flame-retardant polyolefin with a wide operating range from -55°C to +125°C.
• Four colour pieces per pack for organised wiring and repairs.

In daily use

Whether you are insulating battery packs, protecting cable splices, or bundling wires, this tubing provides reliable electrical insulation and mechanical protection. It begins shrinking at +70°C and withstands voltages up to 600V, making it suitable for a variety of electronics and automotive applications.

Full specifications

• Material: Polyolefin
• Shrink ratio: 2:1
• Initial diameter (flat): 54 mm
• Shrunk diameter (flat): 27 mm
• Adhesive lining: No
• Colours included: Transparent, blue, yellow, red (1 piece each)
• Pieces per pack: 4
• Operating temperature range: -55°C to +125°C
• Minimum shrink temperature: +70°C
• Dielectric strength: >15 kV/mm
• Flame retardant: Yes
• Voltage rating: 600V

Final note

A practical multi-colour kit for professional and hobbyist use, offering dependable insulation and strain relief without the mess of adhesive.