Model: DHSCS
DuraSeal Heat Shrinkable Butt Splice Connectors (DHSCS)
DuraSeal Heat Shrinkable Butt Splice Connectors (DHSCS) are premium polyolefin crimp splices featuring an inner layer of thermoplastic adhesive. When heated, the outer polyolefin shell shrinks tightly while the inner adhesive melts and flows, creating a waterproof, airtight, and corrosion-resistant seal. Designed for rugged environments, these connectors provide superior strain relief, vibration resistance, and long-term electrical insulation, making them the ultimate upgrade over conventional uninsulated splices.
Key Features & Benefits
- Dual-Wall Construction: Outer polyolefin with hot-melt adhesive lining for 100% waterproof and airtight sealing.
- Superior Protection: Excellent resistance to water, condensation, salt, and chemical corrosion.
- High Mechanical Strength: High tensile strength and elongation provide exceptional strain relief and vibration resistance.
- Color-Coded Insulation: Standard Red, Blue, and Yellow colors for quick and easy wire size identification.
- Eco-Friendly & Compliant: Fully compliant with RoHS directives for environmental safety.
Common Applications
- Automotive and truck wiring repair and fleet maintenance
- Marine electronics and boat wiring systems
- Commercial wiring for pumps, pools, and spas
- RV and off-road vehicle wire harness fabrication
- Outdoor and underground electrical connections
Product Specifications
- Material: Polyolefin (Outer) / Thermoplastic Adhesive (Inner)
- Operating Temperature: -40°C to 105°C
- Shrink Ratio: 2.5:1 / 3:1
- Dielectric Strength: 2.5 KV
- Certifications: RoHS
Technical Properties
| Item | Test Method | Value |
|---|---|---|
| Tensile Strength (Un-aged) | ASTM D2671 | Min. 1.40 kgf/mm² |
| Elongation (Un-aged) | ASTM D2671 | Min. 200% |
| Tensile Strength (Aged, 158°C/7 days) | ASTM D2671 | Min. 0.99 kgf/mm² |
| Elongation (Aged, 158°C/7 days) | ASTM D2671 | Min. 100% |
| Voltage Withstand (Un-aged) | ASTM D149 | Withstand 2.5 KV for 1 min |
| Voltage Withstand (Aged) | ASTM D149 | Withstand 2.5 KV, breakdown ≥ 50% of un-aged |
| Copper Corrosion (158°C/7 days) | ASTM B154 | No corrosion of bare copper |
| Copper Stability (158°C/7 days) | ASTM B154 | No degradation, Min. Elongation 100% |
| Cold Bend (-30°C/1 hr) | ASTM D2671 | No crack |
| Maximum Secant Modulus (2%) | ASTM D882 | 17.65 kgf/cm² |
| Volume Resistivity | ASTM D257 | Min. 1014 Ω·cm |
| Heat Shock (250°C/4 hrs) | ASTM D2671 | No crack |
Dimensions & Specifications
| Part No. | Wire Range (AWG / mm²) | OD (mm) | ID (mm) | Length (mm) | Insulator | Color | Package (Pcs/bag) | Approval |
|---|---|---|---|---|---|---|---|---|
| DHSCS-1 | 22-18 / 0.5-1.0 | 4.8 | 1.7 | 35.0 | PE | Red | 1000 | RoHS |
| DHSCS-2 | 16-14 / 1.5-2.5 | 5.8 | 2.4 | 35.0 | PE | Blue | 1000 | RoHS |
| DHSCS-3 | 12-10 / 4.0-6.0 | 6.8 | 3.6 | 42.0 | PE | Yellow | 800 | RoHS |
Frequently Asked Questions (FAQ)
Q: What makes DuraSeal butt splices different from standard crimp connectors?
A: DuraSeal (DHSCS) connectors feature a dual-wall design. The outer polyolefin shrinks tightly, while the inner thermoplastic adhesive melts to fill all voids, creating a 100% waterproof and airtight seal. This prevents moisture and corrosion, unlike standard uninsulated splices. For even more demanding soldering applications, you might also consider our Duraseal Heat Shrink Solder Splices.
Q: Can these connectors be used in marine environments?
A: Absolutely. The adhesive lining provides excellent resistance to water, condensation, and salt, making them ideal for marine electronics and boat wiring. If you are building a complete marine wiring harness, you can explore our full range of Heat Shrink Wire Connectors for terminals and rings.
Q: How do I install these heat shrink butt splices?
A: First, strip the wire and insert it into the connector. Crimp the metal barrel firmly using a standard crimping tool. Then, apply heat evenly using a heat gun until the outer polyolefin shrinks tightly and a small amount of adhesive squeezes out from the ends, indicating a perfect seal.
Q: What is the operating temperature range for DHSCS connectors?
A: The standard operating temperature range is typically -40°C to 105°C, ensuring reliable performance in both extreme cold and high-heat engine bay environments.
Q: Do you offer solder-style alternatives for wire splicing?
A: Yes, if you prefer a soldered connection combined with heat shrink insulation, we highly recommend our Solder Sleeve Wire Splice, which melts a preformed solder ring to create a permanent, vibration-proof electrical bond without the need for crimping tools.
Q: Are the color codes standardized across your product line?
A: Yes, we follow the industry-standard color coding: Red for 22-18 AWG, Blue for 16-14 AWG, and Yellow for 12-10 AWG. This ensures quick and error-free identification during installation.