Self-Amalgamating Rubber Tape – Waterproof & Insulating Seal

Self-Amalgamating Rubber Repair Tape – Waterproof, Insulating & UV-Resistant

Meet your go-to fix for cables, hoses, pipes, and electrical connections. This self-amalgamating silicone rubber tape stretches, wraps, and fuses to itself — no adhesive needed — forming a seamless, watertight, rubbery layer in minutes. Whether you're a home DIYer, an auto electrician, a marine enthusiast, or a gardener, this tape handles it all.

Key Features

• Self-Fusing Technology: Bonds to itself (not to you or the surface) to create a tight, seamless seal with no sticky residue.
• Waterproof & Moisture-Resistant: Creates a fully weatherproof barrier against water, moisture, and humidity.
• Excellent UV Resistance: Holds up outdoors without degrading in sunlight.
• Vibration & Shock Resistant: Stays secure even in high-vibration environments like motorsport, motorcycles, or marine applications.
• Electrical Insulation: Safe for insulating and sealing electrical joints, splices, and terminations.
• Fast Cure: Self-bonds within minutes; fully cures in 24 hours at room temperature.
• Stretch Rate of 200%: Wraps tightly around irregular shapes and contours with ease.

Specifications

• Material: Silicone Rubber / Non-Shrink Polyester Backing
• Colour: Black
• Width: 19mm / 23mm
• Length: 4.5 yd / 5 yd (200% stretch rate)
• Thickness: Approx. 0.82mm
• Country of Origin: Made in China

Versatile Applications

1. Auto & Motorcycle Electricians – Seal and waterproof connections; protect against salt and road spray in winter.
2. Industrial & Home Electricians – Insulation, termination, splicing, and cable repair.
3. Marine & Boat Use – Protect fittings against salt corrosion and rope chafing.
4. Outdoor & Garden – Wrap leaking hoses, support plants, seal outdoor fittings.
5. Caravanning – Emergency repairs on hoses and pipes on the road.
6. Motorsport – Guard vital components against water ingress and dampness.
7. Outdoor Lighting – Weatherproof exposed connections.
8. Underwater Use – Watertight even in submerged or wet environments.
9. Home & DIY – Endless uses around the house and workshop.

What's in the Box

• 1 × Self-Amalgamating Rubber Repair Tape

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For more information on electrical insulation safety standards, visit the U.S. Consumer Product Safety Commission (CPSC).

Learn more: Hem

Frequently Asked Questions

Q: How does self-amalgamating tape work without any adhesive?

A: Self-amalgamating rubber tape fuses to itself through a molecular bonding process when stretched and wrapped under tension. The silicone rubber layers merge together, creating a single seamless, waterproof seal — no glue or sticky residue involved.

Q: Can I use this self-amalgamating tape for live electrical connections?

A: This tape provides excellent electrical insulation and is widely used for sealing and protecting electrical joints, splices, and cable terminations. However, always follow local electrical safety codes and switch off power before working on any electrical connection where possible.

Q: How long does the tape take to fully cure?

A: The tape begins bonding to itself almost immediately upon application. Full cure is achieved within 24 hours at room temperature, after which it forms a strong, flexible, rubbery waterproof layer.

Q: Is this tape suitable for outdoor and marine environments?

A: Yes! The tape offers excellent UV resistance and withstands moisture, vibration, shock, and solvents, making it ideal for outdoor, marine, automotive, and motorsport use — even in submerged or wet conditions.