Description
Pacer Heavy Wall Heat Shrink Tubing | Boat Supply Store
Protect critical marine battery cable terminations from harsh environmental ingress with Pacer's Heavy Wall Heat Shrink Tubing. This specialized tubing features a 1" expanded inner diameter that recovers to 0.367", precisely accommodating 1/0 - 4/0 AWG wire for a secure, mechanically strong fit. Its dual-layer system, incorporating a thermoplastic liner with high-quality mastic, effectively encapsulates connections, forming a robust barrier against moisture, chemicals, and physical abrasion essential for offshore vessels.
Key Features
- Superior Corrosion Protection: Dual-layer system with internal thermoplastic liner and high-quality mastic.
- Robust Mechanical Strength: Heavy-wall construction provides excellent insulation and strain relief.
- Broad Compatibility: Thermoplastic liner adheres to PVC, neoprene, polyolefin, EPR, steel, and aluminum.
- Environmental Sealing: Forms an impermeable barrier against contaminants and moisture.
- Chemical Resistance: Excellent defense against acids, alkalis, fuel, oil, and solvents.
- High Abrasion Resistance: Withstands significant impact and surface wear in demanding conditions.
- Easy Installation: Shrinks rapidly over 120°C with a standard heat gun.
- MIL-Spec Certified: Complies with MIL-I-23053/15 Class 2 for assured performance.
Specifications
| Product Specifications | |
|---|---|
| Product Type | Battery Cable Heavy Wall Heat Shrink Tubing |
| Brand | Pacer |
| SKU | CWR105032 |
| MPN | BHW1-3BKRD |
| Expanded Inner Diameter | 1" |
| Recovered Inner Diameter | 0.367" |
| Application Range | 1/0 - 4/0 AWG wire (0.40 - 0.95" application range) |
| Recovered Wall Thickness | 0.12" |
| Color | Black/Red Combo Pack |
| Shrink Temperature | >120°C |
| Compliance | MIL-I-23053/15 Class 2 |
Who This Is For
Marine electricians and dedicated boat owners performing critical electrical system work. This product is ideal for DIYers and professionals alike who require a durable, environmentally sealed solution for battery cable connections in demanding marine environments.
How It Compares
| Feature | Pacer Heavy Wall Heat Shrink Tubing | Raychem |
|---|---|---|
| Expanded Inner Diameter | 1.1" | 1.25", 1.25" |
| Recovered Inner Diameter | 0.367" | 0.43", 0.43" |
| Application Range AWG | 1/0 - 4/0 (.40 - .95) | 2 AWG - 4/0 AWG, 2 AWG - 4/0 AWG |
| Recovered Wall Thickness | 0.12" | 0.07", 0.07" |
| Adhesive Lined | Yes (Dual-purpose thermoplastic liner and mastic) | Yes, Yes |
| Compliance | MIL-I-23053/15 Class 2 | UL, CSA, UL, CSA |
Common Concerns Answered
Is this heat shrink tubing difficult to install on smaller gauge wires within its range?
While the 1" expanded diameter is designed for larger gauge wires (1/0 - 4/0 AWG), some users have noted that achieving a perfectly uniform shrink on wires at the lower end of this range (e.g., 1/0 AWG) may require more careful heat application to avoid gaps. Consistent, even heating is key for optimal encapsulation and sealing.
Is this product readily available in all sizes?
As a specialized, heavy-wall product engineered for critical marine applications, certain sizes might experience intermittent stock limitations compared to more common, general-purpose heat shrink tubing. It is recommended to check availability for your specific project needs.
Why is this tubing more expensive than standard heat shrink?
The Pacer Battery Cable Heavy Wall Heat Shrink Tubing's higher price point is directly attributable to its advanced dual-layer construction, featuring a superior thermoplastic adhesive liner and robust mastic for unparalleled environmental sealing and mechanical integrity. This specialized design far exceeds the performance of generic, single-wall tubing, making it a critical investment for protecting vital marine electrical systems from corrosion and damage.
Frequently Asked Questions
What is the recovered inner diameter of the Pacer Battery Cable Heavy Wall Heat Shrink Tubing?
The recovered inner diameter of this heavy wall heat shrink tubing is 0.367 inches.
What is the application range in AWG for this heat shrink tubing?
This heat shrink tubing is suitable for 1/0 through 4/0 AWG wire, with an application range of 0.40 to 0.95 inches in diameter.
What types of wire insulation is the thermoplastic liner compatible with?
The internal thermoplastic liner is engineered to adhere effectively to PVC, neoprene, polyolefin, EPR, steel, and aluminum insulation materials commonly found on marine wiring.
What is the operating temperature range for shrinking this tubing?
The tubing requires a minimum temperature exceeding 120°C (approximately 248°F) to initiate proper shrinkage and activate the internal adhesive liner.
What are the primary applications for Pacer Battery Cable Heavy Wall Heat Shrink Tubing?
Its primary applications are for robustly insulating and environmentally sealing critical connections such as battery cables, power cables, and other high-current marine wiring subject to harsh conditions, vibration, and potential moisture intrusion.
