Description
Ancor 3/8" Adhesive Lined Heat Shrink Tubing | Boat Supply Store
Protect critical electrical connections from the harsh marine environment with Ancor's black 3/8" diameter adhesive-lined heat shrink tubing. This tubing offers a superior, marine-grade solution, creating an exceptionally robust and waterproof seal with excellent strain relief for wire bundles. Engineered from cross-linked polyolefin, it shrinks to 1/3 its original size at 257°F (125°C) and is designed for 12-8 AWG wire, ensuring reliability during offshore excursions.
Key Features
- Impervious Seal against saltwater, oil, acids, and sunlight with heat-activated adhesive lining
- Superior Strength and flame resistance from cross-linked polyolefin material
- Exceptional Strain Relief to protect wire connections from mechanical stress
- High Shrink Ratio of 3:1 for versatile application
- Waterproof Protection ideal for wet bilges and exposed deck areas
- Wide Operating Temperature Range from -40°C to 110°C
- Marine-Grade Durability for long-lasting electrical system integrity
- UL 224 Certified for trusted safety and performance standards
Specifications
| Product Specifications | |
|---|---|
| Diameter | 3/8" (9.5mm) |
| Length | 48" (122cm) |
| Shrinks to | 1/8" (3.2mm) |
| Wire Gauge Compatibility | 12-8 AWG |
| Material | Cross-linked polyolefin with heat-activated adhesive lining |
| Shrink Temperature | 257°F / 125°C |
| Operating Temperature | -40°C to 110°C |
| Certification | UL 224 |
Who This Is For
Ideal for marine electricians and boat owners requiring robust, waterproof connections resistant to environmental degradation. DIY boat repair enthusiasts will find this tubing simplifies creating durable, strain-relieved electrical splices.
How It Compares
| Feature | Ancor 3/8" Adhesive Lined Heat Shrink Tubing | Competitor |
|---|---|---|
| Diameter | 3/8" | 3/8" |
| Length | 48" | — |
| Adhesive Lined | Yes | Yes |
| Wire Range | 12-8 AWG | 10-8 AWG, Not Specified |
| Material | Cross-linked Polyolefin | Polyolefin |
| Shrink Ratio | 3:1 | Not Specified |
Common Concerns Answered
Can the 48" length be wasteful for small repairs?
While the 48" length is optimal for extensive wiring projects, it is advisable to pre-cut the tubing to the required size for smaller repairs to minimize waste.
Is achieving a waterproof seal difficult?
A perfect seal is reliably achieved by applying consistent heat with a heat gun at or above the specified 257°F (125°C) shrink temperature, ensuring the adhesive fully melts and flows.
Why is this tubing more expensive than generic options?
The higher cost reflects the specialized marine-grade cross-linked polyolefin material and the integrated heat-activated adhesive lining, which provide superior environmental resistance and a definitive waterproof seal essential for critical boat systems.
Frequently Asked Questions
What is the shrink ratio of Ancor Adhesive Lined Heat Shrink Tubing?
This Ancor Adhesive Lined Heat Shrink Tubing features a 3:1 shrink ratio, meaning it shrinks to one-third of its original diameter.
What wire gauge is compatible with this heat shrink tubing?
This tubing is designed for use with wire gauges ranging from 12 AWG to 8 AWG.
What is the operating temperature range for this tubing?
The operating temperature range for this heat shrink tubing is from -40°C to 110°C.
Is this tubing resistant to saltwater and oil?
Yes, the heat-activated adhesive lining creates an impervious seal that protects against saltwater, oil, acids, and sunlight.
What is the purpose of the adhesive lining in this heat shrink tubing?
The adhesive lining melts and flows during the shrinking process, creating a waterproof seal around the wire connection and providing excellent strain relief to prevent damage from movement.