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300PCS Haisstronica Solder Seal Wire Connectors - Waterproof Heat Shrink Butt
300PCS Haisstronica Solder Seal Wire Connectors - Waterproof Heat Shrink Butt
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300PCS Premium Solder Seal & Heat Shrink Connectors Kit
The ultimate marine-grade, weatherproof electrical wire terminal kit for seamless, long-lasting connections in seconds.
Professional Electrical Connections Made Effortless
No crimping required. No loose connections. Engineered for harsh environments, this comprehensive 300-piece kit provides industrial-strength environmental sealing and premium solder-melt connectivity for automotive, marine, and home DIY projects.
Engineered for Superior Performance:
💧 100% Weatherproof & Waterproof Seal
The advanced dual-walled tubing system features a precise amount of hot-melt adhesive that cools, hardens, and reaches full bond strength within seconds, preventing any moisture or wire corrosion.
⚡ Premium Built-in Solder Seal Ring
Pre-measured solder rings melt and flow seamlessly into the wire strands. This guarantees a highly conductive, low-resistance, and mechanically bulletproof connection every time, even for larger wire gauges.
🛡️ High Abrasion & Impact Resistance
Tough, eco-friendly heat-shrink outer tubing protects wires from scuffs, cuts, abrasions, and low-impact strains. Ideal for heavy-duty setups in harsh or vibrating environments.
🌍 Certified Quality & Compliance
Work with complete peace of mind. Our wire connectors fully comply with international safety standards including ROHS, ISO, SGS, and CE.
What's Inside The Kit (300 PCS Total)
| Item # | Color | A.W.G | Size (Diameter) | Qty |
|---|---|---|---|---|
| SST-41 | 🟨 Yellow | 12-10 AWG | 4.0 - 6.0 mm² | 10 pcs |
| SST-31 | 🟦 Blue | 16-14 AWG | 1.5 - 2.5 mm² | 30 pcs |
| SST-21 | 🟥 Red | 22-18 AWG | 0.5 - 1.0 mm² | 35 pcs |
| SST-11 | ⬜ White | 26-24 AWG | 0.25 - 0.35 mm² | 25 pcs |
| Tubing | ⬛ Black Heat Shrink | — | 3.2 / 1.6 mm (20mm Length) | 200 pcs |
🔥 Pro-Application & Usage Guide
✨ Recommended: Use a Heat Gun
- Provides even, uniformly distributed, and controlled thermal delivery.
- Drastically reduces the risk of burning or local wire damage.
- Ensures professional, clean, and highly consistent waterproof results.
⚠️ Alternative: Using a Lighter (With Extreme Caution)
- Utilize strictly the lower blue zone of the flame (lower temperature profile).
- Avoid the top yellow zone entirely to prevent charring or burning the casing.
- Keep the heat source moving constantly at a safe distance to ensure even distribution.
🛡️ Important Safety Protocol
Always operate in a well-ventilated workspace. Keep heat sources clear of flammable objects, and avoid heating a localized point for an extended period.
📊 Expected Result When Followed Correctly:
The inner solder ring melts perfectly into your stripped wire strands for an instant low-resistance path, while the outer dual-walled adhesive sleeve shrinks flawlessly to form a watertight, vibration-resistant, beautifully streamlined joint.
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