Ancor 327148 Heavy Wall Heat Shrink Tubing 1" x 48" Black

Ancor's Heavy Wall Heat Shrink Tubing provides professional-grade cable protection and sealing for demanding marine, automotive, and industrial applications. This 1-inch diameter tubing shrinks down to 3/8-inch with a 3:1 shrink ratio, accommodating wire sizes from 2 AWG to 4/0 AWG. Each package includes one 48-inch (122cm) black section, ideal for creating custom-length connections and repairs.

Advanced Protection Features:

• Cross-linked polyolefin construction delivers superior strength compared to standard PVC tubing and resists burning
• Heat-activated adhesive inner lining creates an impervious seal against salt water, oil, acids, and UV sunlight
• Provides excellent strain relief at cable terminations and connections
• 3:1 shrink ratio ensures secure fit over connectors and splices
• UL 224 certified for quality and safety

Technical Specifications:

• Shrink activation temperature: 257°F (125°C)
• Operating temperature range: -40°C to 110°C (-40°F to 230°F)
• Wire range: 2-4/0 AWG
• Dimensions: 1-inch (25mm) diameter before shrinking, 3/8-inch (9mm) after
• Length: 48 inches (122cm) per piece

Perfect for marine electrical systems, battery cable connections, and other applications requiring waterproof, corrosion-resistant protection in harsh environments.