Sutli bomb, also known as Atom Bomb or Hydro-bomb, due to its notorious noise, is an Indian

firecracker A firecracker (cracker, noise maker, banger) is a small explosive device primarily designed to produce a large amount of noise, especially in the form of a loud bang, usually for celebration or entertainment; any visual effect is incidental to ...

popular during the festival of

Diwali Diwali (), also called Deepavali (IAST: ''Dīpāvalī'') or Deepawali (IAST: ''Dīpāwalī''), is the Hindu festival of lights, with variations celebrated in other Indian religions such as Jainism and Sikhism. It symbolises the spiritual v ...

and other celebrations. It is the noisiest firecracker, exceeding the permissible sound barrier of 145 decibels (dB).

About

Sutli bomb is made with

jute Jute ( ) is a long, rough, shiny bast fibre that can be Spinning (textiles), spun into coarse, strong threads. It is produced from flowering plants in the genus ''Corchorus'', of the mallow family Malvaceae. The primary source of the fiber is ...

twine Twine is a strong Thread (yarn), thread, light String (structure), string or cord composed of string in which two or more thinner strands are twisted, and then twisted together (Plying, plied). The strands are plied in the opposite direction to ...

(sutli) that is green in color and has a red band that has manufacturer's name. The twine is wrapped around the explosive component and results in producing a powerful sound. What produces this sound is the tight packaging of gunpowder inside. When the gunpowder is heated, lots of gases (carbon dioxide, carbon monoxide, oxides of sulphur) and the noise comes due to these gas pressure tearing through the tight packaging.

Banned

It is banned by many governments under Arms Act, because of the noise level it produces that is almost double the permissible level of 75 decibels.

References

{{reflist Types of fireworks Diwali