RUKO QLS-HSS-20-25 tubo termorretráctil, transparente, 3:1, 25 mm de diámetro interior, 50 mm de longitud

For electricians and maintenance technicians sealing cable splices in demanding environments, the RUKO QLS-HSS-20-25 heat shrink sleeve provides reliable insulation and strain relief. Its transparent cross-linked polyolefin construction with adhesive lining ensures a durable, waterproof seal.

Key specifications

• Material: Cross-linked Polyolefin
• Shrink Ratio: 3:1
• Colour: Transparent
• Adhesive Lined: Yes
• Pre-cut: Yes
• Length: 50 mm
• Inner Diameter Before Shrinking: 25 mm
• Inner Diameter After Shrinking: 8 mm
• Recommended Conductor Diameter: 20 mm to 25 mm
• Operating Temperature Range: -55 °C to 125 °C
• Minimum Shrink Temperature: 110 °C
• Dielectric Strength: > 20 kV/mm
• Flammability Rating: UL 224 VW-1
• Halogen-free: Yes
• UV Resistant: Yes
• RoHS Compliant: Yes
• Chemical Resistant: Yes
• Standard Compliance: UL 224, CSA C22.2 No. 198.1

Why choose it

This sleeve offers a high shrink ratio for secure fitting over irregular shapes, and the adhesive lining provides excellent environmental sealing. Its wide temperature range and chemical resistance make it suitable for harsh conditions.

Ideal use cases

• Insulating and protecting cable joints in automotive and marine wiring
• Sealing connections in outdoor electrical installations
• Repairing damaged cable insulation in industrial settings

Good to know

The sleeve is pre-cut to 50 mm lengths for convenience, and its transparent colour allows visual inspection of the underlying connection after shrinking.