Quadrios 25CA493 Heat Shrink Tubing with Adhesive, 3:1, 25.4 mm, 1 m, White

Electrical connections exposed to moisture, dirt, or mechanical stress often fail prematurely. This heat shrink tubing with hot melt adhesive provides a sealed, insulated, and strain-relieved covering for splices, connectors, and cable bundles, ensuring long-term reliability in demanding environments.

Who is it for

Electricians, automotive technicians, marine installers, and DIY enthusiasts who need a durable, waterproof seal for electrical work. Ideal for outdoor, underground, or high-vibration applications.

Main features

• 3:1 shrink ratio conforms tightly to irregular shapes
• Hot melt adhesive lining creates a waterproof and environmentally sealed bond
• Cross-linked polyolefin construction offers excellent electrical insulation and mechanical protection
• White colour for easy identification or colour-coding
• 1 metre length suitable for multiple repairs

Specifications

• Product type: Heat shrink tubing
• Shrink ratio: 3:1
• Inner diameter before shrinking: 25.4 mm
• Inner diameter after shrinking: 8.5 mm
• Length: 1 m
• Colour: White
• Material: Cross-linked polyolefin
• Adhesive lining: Yes (hot melt adhesive)
• Operating temperature range: -55°C to +125°C
• Minimum shrink temperature: >110°C
• Dielectric strength: >15 kV/mm
• Flame retardancy: Self-extinguishing
• UV resistance: Good
• Chemical resistance: Good (resistant to common fluids and solvents)
• Standards compliance: RoHS compliant

Tips

Use a heat gun set above 110°C and apply heat evenly, moving from the centre outward to avoid air bubbles. Allow the tubing to cool completely before handling to ensure the adhesive sets properly.