Ancor 326202 Marine Grade Heavy Wall Heat Shrink Tubing 3/4" x 3" Combo Pack

The Ancor 326202 Marine Grade Heavy Wall Heat Shrink Tubing Combo Pack is designed specifically for professional-grade battery cable connections in marine, automotive, and industrial applications. This pack includes one 3-inch red tube and one 3-inch black tube, each with a 3/4-inch (19mm) diameter that shrinks down to 1/4-inch (6.4mm) for a secure, watertight seal on wire gauges 8 AWG through 2/0 AWG.

Key Features:

• Cross-linked polyolefin construction provides superior strength and durability compared to standard PVC tubing
• Heat-activated adhesive lining creates an impervious seal against salt water, oil, acids, and UV sunlight exposure
• 3:1 shrink ratio ensures tight, reliable coverage for various cable sizes
• Activates at 257°F (125°C) for proper installation
• Wide operating temperature range from -40°C to 110°C for extreme environments
• UL 224 certified for quality and safety compliance
• Non-flammable polyolefin material resists burning unlike PVC alternatives
• Provides excellent strain relief at cable terminations

Ideal for marine battery cable installations, heavy-duty electrical connections, and any application requiring maximum protection against moisture and corrosion. The dual-wall construction with adhesive lining ensures long-lasting, maintenance-free performance in harsh marine environments.