Ancor 307603 Heat Shrink Tubing 1" x 3" Red 3-Pack

Ancor's marine-grade heat shrink tubing provides professional-quality electrical connections with superior environmental protection. This red tubing features dual-wall construction with a heat-activated adhesive inner lining that creates a waterproof seal when heated.

Key Features:

• Cross-linked polyolefin construction - stronger and more durable than PVC, will not burn like PVC tubing
• Heat-activated adhesive lining creates an impervious seal against salt water, oil, acids, and sunlight
• 3:1 shrink ratio - highest in the industry, shrinks to one-third of original diameter for secure fit
• Activates at 257°F (125°C) with standard heat gun
• Operating temperature range: -40°F to 230°F (-40°C to 110°C)
• UL 224 certified for marine and automotive applications
• Provides strain relief at connection points

Specifications:

• Dimensions: 1" diameter x 3" length (before shrinking)
• Color: Red
• Quantity: 3 pieces per package

Ideal for marine electrical repairs, battery cable terminations, and any application requiring waterproof wire connections. The adhesive-lined construction makes this tubing perfect for boat wiring, trailer lighting, and outdoor electrical projects exposed to harsh environments.