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Specification: 250 Pcs

250 Pcs
350 Pcs
500 Pcs

Description
 
Marine Grade
No Crimping Needed

Ultimate Waterproof Solder Seal Connectors

Create secure, insulated, and 100% waterproof electrical connections in seconds. Engineered for extreme automotive and marine environments where failure is not an option.

  • Thermal Activation: Solder and seal with just a heat gun.
  • Zero Corrosion: Complete protection against moisture and salt.
  • Certified Safe: ROHS, ISO 9001:2008, and CE compliant.

Dual-Wall Defense Against Moisture

Featuring a heavy-duty double wall construction. The outer layer consists of highly durable polyolefin tubing, while the inner layer is lined with premium hot-melt glue.

Benefit: When heated, the glue flows to completely fill gaps, ensuring an impenetrable waterproof seal that protects your wire terminals from harsh marine and automotive elements.

Engineered for Extreme Temperatures

Electrical systems don't have the luxury of comfortable climates. These connectors are rated for continuous working temperatures from -55°C to 125°C (-67°F to 257°F).

Benefit: Whether sitting in a freezing engine bay in winter or exposed to intense mechanical heat, your wiring connections remain flexible, secure, and fully insulated.

Multiple Sizes for Perfect Fits

Stop guessing with one-size-fits-all solutions. Our kit includes strictly color-coded connectors designed for specific wire gauges to deliver optimum holding power.

Benefit: By matching the exact shrink ratio (White, Red, Yellow, Blue) to your wire, you guarantee the solder ring wraps tightly, creating a permanent bond that withstands heavy vibration.

Technical Specifications

Professional parameters engineered for dependable project execution.

Color / Type Metric Size (mm) Imperial Size (inch) Usage Application
White 1.7 mm 0.07 in Micro wiring, sensors
Red 2.7 mm 0.11 in General automotive
Blue 4.5 mm 0.18 in Heavy duty electronics
Yellow 6.0 mm 0.24 in Power delivery, marine
Working Temp. -55°C to 125°C -67°F to 257°F Extreme environment
Retraction Temp. > 160°C > 320°F Heat gun requirement

Frequently Asked Questions

Do I need a crimping tool for these connectors?
Absolutely not. These are specialized solder seal connectors. Simply strip the wires, insert them into the tube, and apply heat using a heat gun. The built-in solder ring will melt, and the tubing will shrink to create a solid bond.
Are they safe to use on boats or near water?
Yes, they are highly recommended for marine environments. The dual-wall construction features a hot-melt adhesive that flows upon heating, creating a 100% watertight seal that prevents saltwater corrosion entirely.
What kind of heat source should I use?
For best results and to prevent uneven melting, we highly recommend using a standard heat gun capable of reaching at least 160°C (320°F). While lighters can technically work in emergencies, a heat gun provides the safe, even distribution needed for a professional seal.