Self-Amalgamating Rubber Tape – Waterproof Sealing & Insulation
Self-Amalgamating Rubber Repair Tape – Waterproof, UV-Resistant & Self-Fusing
Meet your go-to fix for cables, hoses, pipes, and electrical connections. This self-amalgamating silicone rubber tape stretches, wraps, and fuses to itself in minutes — no adhesive needed — forming a seamless, waterproof, and insulating layer that holds up against vibration, shock, solvents, and moisture. Whether you're on the road, at sea, in the garden, or tackling a home DIY project, this versatile tape has you covered.
Made in Mainland China.
Key Features
- 🔧 Self-Fusing & Self-Bonding — No adhesive required; bonds to itself when stretched and wrapped, creating a strong, rubbery seal
- 💧 Fully Waterproof — Ideal for sealing hoses, pipes, and electrical connections against water ingress and moisture
- ⚡ Electrical Insulation — Safely insulates electrical joints, splices, and cable repairs
- ☀️ UV Resistant — Maintains performance in outdoor environments and direct sunlight
- 🌡️ Cures in 24 Hours — Full bond at room temperature with no tools needed
- 🔄 200% Stretch Rate — Wraps tightly around irregular shapes for a complete, gap-free seal
- 🧪 Material: Silicone Rubber with non-shrink polyester backing
Specifications
| Type | Self-Amalgamating Tape |
| Material | Silicone Rubber |
| Colour | Black |
| Width | 19mm / 23mm |
| Length | 4.5 yd / 5 yd (Stretch rate: 200%) |
| Thickness | Approx. 0.82 mm |
| Cure Time | 24 hours at room temperature |
Versatile Applications
- Auto & Motorcycle — Seal and waterproof electrical connections; protect against salt and road spray in winter
- Industrial & Household Electrical — Insulation, termination, sealing, splicing, and cable repair
- Marine & Boat — Protect fittings against salt corrosion and rope chafing
- Outdoor Sealing — Weatherproof fittings, junction boxes, and connectors
- Caravan & RV — Emergency repairs of hoses and pipes on the go
- Outdoor Lighting — Weatherproof wire connections and exposed joints
- Motorsport — Protect vital components against water ingress and dampness
- Garden — Wrap around plants for support; repair leaking hoses quickly
- Home & DIY — Virtually endless uses around the house
- Underwater Use — Maintains seal even when submerged
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What's in the Box?
- 1 × Self-Amalgamating Rubber Repair Tape
For general electrical safety standards and best practices when working with insulating materials, refer to guidance from the U.S. Consumer Product Safety Commission (CPSC) – Electrical Safety.
Learn more: Electrical tape
Frequently Asked Questions
Q: Does self-amalgamating tape require any adhesive to stick?
A: No adhesive is needed. This self-amalgamating rubber tape bonds directly to itself when stretched and overlapped during wrapping. The tape fuses into a seamless, rubbery layer within minutes and fully cures in 24 hours at room temperature — no glue, no clips, no tools required.
Q: Can this tape be used outdoors and underwater?
A: Yes! The tape is fully waterproof, UV-resistant, and rated for outdoor, marine, and even underwater applications. It effectively seals against moisture, salt, and environmental exposure, making it ideal for boats, garden hoses, outdoor lighting, and motorsport use.
Q: What is the difference between the 19mm and 23mm widths?
A: Both widths provide the same self-fusing, waterproof performance. The 19mm width is better suited for narrower cables, smaller hose connections, and tight spaces, while the 23mm width covers a wider area per wrap — great for larger pipes, hoses, and thicker cable bundles.
Q: Is this tape safe for electrical insulation?
A: Yes. The silicone rubber material provides excellent electrical insulation, making it suitable for sealing electrical joints, splicing cables, and protecting connections from moisture. Always follow local electrical codes and safety guidelines when working on electrical systems.