Description
Pacer Heavy Wall Heat Shrink Tubing 1" Black | Boat Supply Store
Designed to shield critical marine electrical connections from ingress and physical damage, this heavy-wall tubing provides dual-layer protection. Its internal thermoplastic liner melts to form an adhesive and mastic seal when heated over 120°C, ensuring superior mechanical strength and environmental integrity. Ideal for safeguarding splices on offshore fishing vessels operating in saltwater environments, it offers excellent resistance to corrosion, acids, alkalis, fuels, and oils.
Key Features
- Superior environmental protection via thermoplastic adhesive liner
- High abrasion and impact resistance for durability
- Excellent corrosion, acid, alkali, fuel, and oil resistance
- Robust strain relief for secure connections
- Reliable sealing for direct burial/submersible applications
- Easy installation with a standard heat gun
- Heavy-wall construction for maximum protection
- Versatile adhesion to various wire insulation types
Specifications
| Product Specifications | |
|---|---|
| Brand | Pacer |
| Diameter | 1" |
| Length | 12" |
| Color | Black |
| Construction | Heavy Wall |
| Liner | Thermoplastic (Adhesive & Mastic) |
| Shrink Temperature | > 120°C |
| Certifications | MIL-I-23053/15 Class 2 |
| Quantity | 2-Pieces |
Who This Is For
Marine electricians and dedicated boat owners performing critical electrical work on vessels, especially those exposed to demanding saltwater environments where protection against corrosion and abrasion is paramount.
How It Compares
| Feature | Pacer Heavy Wall Heat Shrink Tubing 1" Black | Competitor |
|---|---|---|
| Wall Thickness | Heavy Wall | Standard Wall |
| Adhesive Liner | Thermoplastic Liner (Adhesive & Mastic) | Yes |
| Shrink Temperature | > 120 C | 125 C |
| Abrasion Resistance | High | Good |
| Corrosion Protection | Superior (Adhesive & Mastic) | Good |
Common Concerns Answered
How can I ensure a complete seal when using this heat shrink?
Achieving a complete seal requires consistent and even application of heat using a heat gun, ensuring the entire circumference of the tubing reaches the activation temperature. Avoid hot spots or insufficient heating which can lead to incomplete adhesion of the internal liner.
What if the initial diameter seems too large for my wires?
This heavy-wall tubing offers significant shrinkage. For very small gauge wires, ensure you select the appropriate size to account for the substantial reduction in diameter when heated, allowing for a tight and secure fit.
Is the initial cost a concern compared to standard options?
While the upfront investment may be higher than basic heat shrink, the heavy-wall construction and dual-layer adhesive system provide unparalleled durability and long-term reliability essential for critical marine applications, justifying the cost for secure and protected electrical connections.
Frequently Asked Questions
What is the operating temperature range for this heat shrink tubing?
The tubing shrinks when heated to temperatures over 120°C. While specific operating temperature ranges for sealed connections are not detailed, the material is designed for harsh marine environments.
What types of wire insulation is this tubing compatible with?
The thermoplastic liner adheres to a variety of common marine wire insulation types, including PVC, neoprene, polyolefin, EPR, steel, and aluminum.
Can this heat shrink tubing be used for direct burial or submersible applications?
Yes, this heat shrink tubing is suitable for direct burial and submersible applications due to its robust adhesive liner, which provides excellent environmental protection against moisture and contaminants.
What is the internal liner made of and what is its function?
The internal liner is made of a thermoplastic adhesive and mastic. Its function is to melt and flow when heated, creating a robust, watertight, and vibration-resistant seal around the electrical connection, offering superior environmental protection and strain relief.
How much does this tubing shrink when heated?
While the exact shrink ratio is not specified, this heavy-wall tubing is designed to shrink significantly, encapsulating the connection with its internal adhesive liner for a secure and protective seal. Proper heating is crucial for optimal shrinkage.
