3/16" Heat Shrink Tubing - 2.5:1 Ratio - Semi-Rigid Adhesive-Lined - 12" Length - 4 Pack

This 3/16" ID 2.5:1 semi-rigid heat shrink tubing features an internal adhesive lining that forms a secure seal when heated, protecting wire splices and terminals from water, corrosion, and abrasion. Its rigid polyolefin outer layer provides enhanced mechanical strength, while the tubing remains flexible enough to conform to uneven surfaces. Ideal for automotive, marine, and industrial wiring applications requiring extra durability.

Specifications & Features

• Shrink Ratio: 2.5:1
• Pre-shrink Inner Diameter: 3/16"
• Wire Compatibility: 22–12 AWG
• Wall Type: Semi-rigid dual wall with adhesive lining
• Flame-retardant outer jacket provides added mechanical protection
• Adhesive lining seals out moisture, oil, and contaminants
• Available Colors: Black, Gray
• Recommended for automotive, marine, and heavy-duty electrical insulation