Description
Ancor Heavy Wall Heat Shrink Tubing 3/4" Black | Boat Supply Store
Secure and environmentally seal critical electrical connections against the pervasive threats of saltwater, oil, and UV degradation with Ancor's Heavy Wall Heat Shrink Tubing. This tubing boasts a robust 3:1 shrink ratio, reducing from a 3/4" initial diameter down to 1/4" for a snug fit, and operates reliably within a -40°C to 110°C temperature range. Its cross-linked polyolefin construction and internal heat-activated adhesive lining provide superior mechanical strength and strain relief, ensuring the integrity of wiring on offshore fishing vessels or during extended cruising in the Gulf Coast.
Key Features
- Superior Protection with heavy wall construction to withstand demanding marine conditions.
- Enhanced Strength derived from cross-linked polyolefin tubing, offering superior durability and flame resistance.
- Impervious Seal created by the heat-activated adhesive lining, blocking moisture, salt, and contaminants.
- Versatile Application due to a 3:1 shrink ratio, accommodating various wire sizes.
- Extreme Temperature Resilience with an operating range of -40°C to 110°C.
- Certified Safety meeting UL 224 standards for marine electrical components.
- Long-Term Reliability for critical circuits exposed to harsh elements.
- Strain Relief capability to protect connections from mechanical stress.
Specifications
| Product Specifications | |
|---|---|
| Product Name | Ancor Heavy Wall Heat Shrink Tubing |
| Diameter (Initial) | 3/4" |
| Diameter (Shrunk) | 1/4" |
| Length | 3" |
| Pack Size | 3-pack |
| Color | Black |
| Shrink Ratio | 3:1 |
| Material | Cross-linked polyolefin |
| Adhesive Lining | Heat-activated |
| Wire Gauge Range | 8-2/0 AWG |
| Operating Temperature Range | -40°C to 110°C |
| Shrink Temperature | 257°F / 125°C |
| Certification | UL 224 |
Who This Is For
This tubing is engineered for marine electricians and dedicated boat owners requiring a bombproof solution for wire insulation and strain relief in corrosive environments. It is also ideal for DIY enthusiasts undertaking rigorous electrical refits and repairs on vessels operating in challenging offshore conditions.
How It Compares
| Feature | Ancor Heavy Wall Heat Shrink Tubing 3/4" Black | Blue Sea Systems Heat Shrink Tubing |
|---|---|---|
| Shrink Ratio | 3:1 | 3:1 |
| Material | Cross-linked Polyolefin | Polyolefin |
| Adhesive Lined | Yes | Yes |
| Initial Diameter | 3/4" | 1/2" |
| Shrunk Diameter | 1/4" | 3/16" |
| Length | 3" | — |
| Wire Range | 8-2/0 AWG | Not Specified |
Common Concerns Answered
Is the initial diameter too large for smaller wires?
While the 3/4" initial diameter is designed for robust protection and a wide wire range (8-2/0 AWG), it may appear slightly large for exceptionally fine gauge wires. However, the 3:1 shrink ratio ensures it will conform tightly to the wire bundle once properly heated.
Does this product include a heat source?
This heat shrink tubing requires an external heat source, such as a marine-grade heat gun, for proper application and activation of the adhesive lining. The heat gun is not included with this product.
Is this an expensive option for heat shrink?
The initial investment for Ancor's Heavy Wall Heat Shrink Tubing may exceed that of generic alternatives; however, its specialized marine-grade construction and superior longevity in corrosive saltwater environments provide a demonstrably better long-term value and reliability for critical electrical systems.
Frequently Asked Questions
What is the shrink ratio of Ancor Heavy Wall Heat Shrink Tubing?
The shrink ratio of this Ancor Heavy Wall Heat Shrink Tubing is 3:1, meaning it will shrink to one-third of its original diameter when properly heated.
What is the operating temperature range for this heat shrink tubing?
This heat shrink tubing is rated for continuous operation within a temperature range of -40°C to 110°C (-40°F to 230°F).
What types of environmental factors does the adhesive lining protect against?
The heat-activated adhesive lining provides an impervious seal against saltwater, automotive fluids, oils, acids, and UV exposure, preventing corrosion and electrical failure.
What wire gauge range is compatible with this tubing?
This 3/4" diameter tubing is suitable for wire ranges from 8 AWG up to 2/0 AWG, offering flexibility for various marine wiring applications.
Is this tubing specifically suitable for marine environments?
Yes, this tubing is engineered with marine-grade materials and a specialized adhesive to withstand the harsh, corrosive conditions found in marine environments, ensuring long-lasting, waterproof electrical connections.
