3mm Electrical Waterproof Seal Heat Shrink Splice Wire Sleeve - Red

The 3mm Electrical Waterproof Heat Shrink Splice Sleeve provides a durable, sealed connection for electrical wire joints. Designed with a heat-activated adhesive lining and a transparent outer tube, it ensures strong bonding, waterproofing, and long-term insulation. The red color-coded ring helps identify wire gauge compatibility, making it ideal for automotive wiring, LED strips, outdoor equipment, marine applications, and general electrical repairs.

Features:

1. Heat-activated adhesive liner ensures a fully waterproof and secure connection
2. Transparent sleeve allows easy inspection of the crimped wire joint
3. Uniform shrink action provides excellent strain relief
4. Color-coded red ring for quick wire size identification
5. Resistant to moisture, corrosion, chemicals, and vibration
6. Suitable for automotive, marine, outdoor, and general electrical wiring

Specifications:

• Inner Diameter (Before Shrink): 3mm
• Material: Polyolefin heat-shrink tube with adhesive lining
• Shrink Ratio: 2:1 (typical)
• Color: Transparent with white body and red identification ring
• Operating Temperature Range: –55°C to +125°C
• Shrink Temperature: ≥ 80°C
• Waterproof Rating: High (after proper shrinking)
• Application: Wire splicing, insulation, waterproofing, automotive harnessing, outdoor electrical repair

Package Includes:

1 × 3mm Electrical Waterproof Seal Heat Shrink Splice Wire Sleeve – White & Red