Description
Ancor 3/8" Red Heat Shrink Tubing 5-Pack | Boat Supply Store
Protect critical marine electrical connections from harsh saltwater environments with Ancor Adhesive Lined Heat Shrink Tubing. This tubing features a 3:1 shrink ratio, reducing to 1/8" (3.2mm) to create a robust, waterproof seal with its internal adhesive lining. Engineered for 12-8 AWG wire, it operates reliably between -40°C and 110°C, ensuring long-term performance on offshore fishing vessels or coastal cruisers.
Key Features
- Impervious Seal created by heat-activated adhesive against saltwater, oil, acids, and UV exposure.
- Superior Strength derived from cross-linked polyolefin tubing that is also non-burning.
- Excellent Strain Relief integrated into the design to protect wire connections.
- High Shrink Ratio of 3:1, shrinking to 1/3 of its original size for a snug fit.
- Broad Wire Gauge Compatibility for 12-8 AWG applications.
- Wide Operating Temperature Range from -40°C to 110°C for diverse conditions.
- Certified Reliability with UL 224 safety certification.
- Durable Red Color Coding for easy identification of electrical circuits.
Specifications
| Product Specifications | |
|---|---|
| Diameter (Unshrunk) | 3/8" (9.5mm) |
| Length | 6" (15.2cm) |
| Color | Red |
| Shrunk Diameter | 1/8" (3.2mm) |
| Wire Gauge Compatibility | 12-8 AWG |
| Material | Cross-linked Polyolefin |
| Shrink Ratio | 3:1 |
| Operating Temperature Range | -40°C to 110°C |
| Shrink Temperature | 257°F / 125°C |
| Certification | UL 224 |
Who This Is For
Marine electricians and dedicated boat owners performing electrical repairs or installations requiring a durable, waterproof, and strain-relieved connection. This tubing is ideal for DIYers seeking professional-grade reliability on any vessel.
How It Compares
| Feature | Ancor 3/8" Red Heat Shrink Tubing 5-Pack | Blue Sea Systems |
|---|---|---|
| Material | Cross-linked Polyolefin | Polyolefin |
| Adhesive Lined | Yes | Yes |
| Shrink Ratio | 3:1 | 3:1 |
| Diameter (Unshrunk) | 3/8" (9.5mm) | Varies by kit |
| Length | 6" (15.2cm) | Varies by kit |
| Wire Gauge Range | 12-8 AWG | Varies by kit |
Common Concerns Answered
Is inconsistent heat application a problem?
Achieving a perfect seal relies on consistent and adequate heat application. Ensure the entire tubing surface is heated evenly with a heat gun until the adhesive visibly flows and seals the connection completely.
Is the 6-inch length sufficient for all wiring needs?
While 6 inches is standard for many terminal connections, longer wire runs may require multiple pieces or a different length solution. This product is optimized for individual wire splices and terminal terminations.
Why is this tubing more expensive than generic options?
The Ancor ALT tubing's higher price point reflects its marine-grade construction, including the proprietary heat-activated adhesive lining for a superior waterproof seal and specific UL 224 certification, ensuring reliability in demanding saltwater environments.
Frequently Asked Questions
What is the shrink ratio of Ancor Adhesive Lined Heat Shrink Tubing?
The 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 heat shrink 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 tubing is -40°C to 110°C (-40°F to 230°F).
Is this tubing resistant to saltwater and oil?
Yes, the heat-activated adhesive lining creates an impervious seal that is resistant to saltwater, oil, acids, and sunlight.
What is the purpose of the adhesive lining in this heat shrink tubing?
The adhesive lining serves a dual purpose: it creates a waterproof and environmental seal around the connection and provides additional strain relief to the wire.