There's no such thing as an "explosive fuse". The term "fuse" typically refers to a safety device that interrupts an electrical circuit when the current exceeds a predetermined limit.

It's possible you're thinking of:

* Detonating cord: This is a type of explosive used for detonating other explosives. It contains a core of high explosive wrapped in a protective sheath.

* Detonator: This is a small explosive device that initiates the detonation of a larger explosive charge. They are commonly used in mining, construction, and demolition.

Explosives are extremely dangerous and should only be handled by trained professionals.

If you have questions about explosives, it's important to consult with a qualified expert.