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 air tight, watertight seal in seconds without the need for any adhesive & 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 & even withstands pressure to 700psi. Silweld also resists petrol, oils, acids, solvents, salt water & UV rays. Silweld is so diverse that it can be used for permenant or temporary repairs to just about anything!