Visco fuse
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Visco fuse is required for all consumer fireworks. It is the fuse that, most commonly in green, is found as a twisted, coated, strand. It can also be used to create delays in the rate of firing multiple fireworks linked together. It is a cord with a black powder core. There are three layers to visco fuse. First one layer of string is wound around the core, then a second, less tight layer of string is wound in the opposite direction to prevent unraveling. The last layer is a low-nitrate nitrocellulose lacquer. The last layer is to water-proof the strand and to prevent it from falling apart.
Cannon Fuse is a visco fuse that is most often thicker, steadier burning, and is coated to be more water-proof. Most cannon fuses of high quality can burn while under water. Cannon fuse is normally green or red in color. When using anything with a fuse, remember that it can't be put out.
Flying fish fuse is a modified type of Visco-type fuse used in fireworks. The composition in the core is a metallic spark composition or other effect instead of black powder.
See also
External links
- [A machine for weaving Visco-type fuse]
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