Silweld is the incredible new silicone self fusing tape that can be used to repair almost anything from an emergency repair to a water hose or air pipe to insulating electrical wires or connections. It creates an airtight, watertight seal in seconds without the need for any adhesive and it even works under water! Silweld is an excellent electrical insulator up to 8,000 volts, it withstands extreme temperatures from 65 to 260 C and even withstands pressure to 700psi. Silweld also resists petrol, oils, acids, solvents, salt water and UV rays. Silweld is so diverse that it can be used for permanent or temporary repairs to just about anything! Length 3m.