3/4" Heat Shrink Tubing - 2.5:1 Ratio - Semi-Rigid Adhesive-Lined - 12" Length - 4 Pack

This 3/4" ID 2.5:1 semi-rigid adhesive-lined heat shrink tubing is ideal for insulating and sealing high-amperage wire terminations in demanding environments. It features a durable outer jacket and heat-activated internal adhesive that provides a water-resistant seal around 4–2/0 AWG wires, making it suitable for automotive battery cables, marine wiring, and heavy-duty power distribution systems.

Specifications & Features

• Shrink Ratio: 2.5:1
• Pre-shrink Inner Diameter: 3/4"
• Wire Compatibility: 4–2/0 AWG
• Wall Type: Semi-rigid dual wall with adhesive lining
• Adhesive inner layer seals out moisture and contaminants for long-term protection
• Outer tubing is flame-retardant and abrasion-resistant for added durability
• Available Colors: Black, Yellow
• Excellent for automotive, marine, and industrial heavy-gauge wire insulation