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A sparkler is a type of hand-held
firework Fireworks are a class of low explosive pyrotechnic devices used for aesthetic and entertainment purposes. They are most commonly used in fireworks displays (also called a fireworks show or pyrotechnics), combining a large number of devices in ...
that burns slowly while emitting bright, intense colored flames, sparks, and other effects. Sparklers are particularly popular with children. In the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
, a sparkler is often used by children at bonfire and fireworks displays on
Guy Fawkes Night Guy Fawkes Night, also known as Guy Fawkes Day, Bonfire Night and Fireworks Night, is an annual commemoration observed on 5 November, primarily in Great Britain, involving bonfires and fireworks displays. Its history begins with the ev ...
, the fifth of November, and in the United States on Independence Day. They are called ''phuljhadi'' in Hindi and are especially popular during the
Diwali Diwali (), Dewali, Divali, or Deepavali ( IAST: ''dīpāvalī''), also known as the Festival of Lights, related to Jain Diwali, Bandi Chhor Divas, Tihar, Swanti, Sohrai, and Bandna, is a religious celebration in Indian religions. It is ...
festival.


Composition

Sparklers are generally formed around a thin non-combustible metallic wire, about 8-12 inches (20-30 cm) long, that has been dipped in a thick batter of slow-burning
pyrotechnic composition A pyrotechnic composition is a substance or mixture of substances designed to produce an effect by heat, light, sound, gas/smoke or a combination of these, as a result of non-detonative self-sustaining exothermic reaction, exothermic chemical reac ...
and allowed to dry. The combustible coating contains these components, one or more of each category: * Metallic
fuel A fuel is any material that can be made to react with other substances so that it releases energy as thermal energy or to be used for work. The concept was originally applied solely to those materials capable of releasing chemical energy but ...
, mandatory to make sparks; size of particles influences appearance of the sparks **
Aluminium Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. I ...
or
magnesium Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray metal having a low density, low melting point and high chemical reactivity. Like the other alkaline earth metals (group 2 of the periodic ta ...
or
magnalium Magnalium is an aluminium alloy with 5% magnesium and 95% aluminum. Properties Alloys with small amounts of magnesium (about 5%) exhibit greater strength, greater corrosion resistance, and lower density than pure aluminium. Such alloys are also mo ...
, producing white sparks **
Iron Iron () is a chemical element with symbol Fe (from la, ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, right in f ...
, producing orange branching sparks **
Titanium Titanium is a chemical element with the symbol Ti and atomic number 22. Found in nature only as an oxide, it can be reduced to produce a lustrous transition metal with a silver color, low density, and high strength, resistant to corrosion in ...
, producing rich white sparks **
Ferrotitanium Ferrotitanium is a ferroalloy, an alloy of iron and titanium with between 10–20% iron and 45–75% titanium and sometimes a small amount of carbon. It is used in steelmaking as a cleansing agent for iron and steel; the titanium is highly reactive ...
, for yellow-gold sparkles * Additional
fuel A fuel is any material that can be made to react with other substances so that it releases energy as thermal energy or to be used for work. The concept was originally applied solely to those materials capable of releasing chemical energy but ...
, optional, modifying the burning speed **
Sulfur Sulfur (or sulphur in British English) is a chemical element with the symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula ...
**
Charcoal Charcoal is a lightweight black carbon residue produced by strongly heating wood (or other animal and plant materials) in minimal oxygen to remove all water and volatile constituents. In the traditional version of this pyrolysis process, cal ...
*
Oxidizer An oxidizing agent (also known as an oxidant, oxidizer, electron recipient, or electron acceptor) is a substance in a redox chemical reaction that gains or " accepts"/"receives" an electron from a (called the , , or ). In other words, an oxid ...
, mandatory **
Potassium nitrate Potassium nitrate is a chemical compound with the chemical formula . This alkali metal nitrate salt is also known as Indian saltpetre (large deposits of which were historically mined in India). It is an ionic salt of potassium ions K+ and nitrat ...
**
Barium nitrate Barium nitrate is the inorganic compound with the chemical formula Ba( NO3)2. It, like most barium salts, is colorless, toxic, and water-soluble. It burns with a green flame and is an oxidizer; the compound is commonly used in pyrotechnics. Man ...
**
Strontium nitrate Strontium nitrate is an inorganic compound composed of the elements strontium, nitrogen and oxygen with the formula Sr( NO3)2. This colorless solid is used as a red colorant and oxidizer in pyrotechnics. Preparation Strontium nitrate is typical ...
** Potassium perchlorate, more powerful but potentially explosive **
Ammonium perchlorate Ammonium perchlorate ("AP") is an inorganic compound with the formula NH4 ClO4. It is a colorless or white solid that is soluble in water. It is a powerful oxidizer. Combined with a fuel, it can be used as a rocket propellant called ammonium pe ...
* Optional
pyrotechnic colorant A pyrotechnic colorant is a chemical compound which causes a flame to burn with a particular color. These are used to create the colors in pyrotechnic compositions like fireworks and colored fires. The color-producing species are usually create ...
s, for colored flames ** chlorides and nitrates of metals, e.g. barium, strontium, or copper * Combustible binder, holding the composition together **
Dextrin Dextrins are a group of low-molecular-weight carbohydrates produced by the hydrolysis of starch and glycogen. Dextrins are mixtures of polymers of D-glucose units linked by α-(1→4) or α-(1→6) glycosidic bonds. Dextrins can be produced from ...
**
Nitrocellulose Nitrocellulose (also known as cellulose nitrate, flash paper, flash cotton, guncotton, pyroxylin and flash string, depending on form) is a highly flammable compound formed by nitrating cellulose through exposure to a mixture of nitric acid and ...
The colored spot on the top of each rod indicates the color of the sparkles emitted when ignited.


Safety issues

A 2009 report from the National Council on Fireworks Safety indicated that sparklers are responsible for 16 percent of legal firework-related injuries in the United States. The
U.S. Consumer Product Safety Commission The United States Consumer Product Safety Commission (USCPSC, CPSC, or commission) is an independent agency of the United States government. The CPSC seeks to promote the safety of consumer products by addressing “unreasonable risks” of inj ...
's statistics from the Fourth of July festivities in 2003 indicate that sparklers were involved in a majority (57%) of fireworks injuries sustained by children under five years of age. Subsequent reports from the U.S. Consumer Product Safety Commission about "Fireworks-Related Deaths, Emergency Department-Treated Injuries, and Enforcement Activities" indicate: The devices burn at a high temperature (as hot as 1000° C to 1600° C, or 1800° F to 3000° F), depending on the fuel and oxidizer used, more than sufficient to cause severe skin burns or ignite clothing. Safety experts recommend that adults ensure children who handle sparklers are properly warned, supervised and wearing
non-flammable A combustible material is something that can burn (i.e., ''combust'') in air. A combustible material is flammable if it ignites easily at ambient temperatures. In other words, a combustible material ignites with some effort and a flammable mat ...
clothing Clothing (also known as clothes, apparel, and attire) are items worn on the body. Typically, clothing is made of fabrics or textiles, but over time it has included garments made from animal skin and other thin sheets of materials and natural ...
. As with all fireworks, sparklers are also capable of accidentally initiating wildfires. This is especially true in drier areas; in Australia, for instance, sparkler-related
bushfire A wildfire, forest fire, bushfire, wildland fire or rural fire is an unplanned, uncontrolled and unpredictable fire in an area of Combustibility and flammability, combustible vegetation. Depending on the type of vegetation present, a wildfire ...
accidents have led to their banning at public outdoor events during summer like
Australia Day Australia Day is the official national day of Australia. Observed annually on 26 January, it marks the 1788 landing of the First Fleet at Sydney Cove and raising of the Union Flag by Arthur Phillip following days of exploration of Port Ja ...
celebrations. Sparkler bombs are home-made devices constructed by binding together as many as 300 sparklers with tape, leaving one extended to use as a fuse. In 2008, three deaths were attributed to the devices, which can be ignited accidentally by heat or friction. Because they usually contain more than 50 milligrams of the same explosive powder found in
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 t ...
s, they are illegal under U.S.
Bureau of Alcohol, Tobacco, Firearms and Explosives The Bureau of Alcohol, Tobacco, Firearms and Explosives (BATFE), commonly referred to as the ATF, is a domestic law enforcement agency within the United States Department of Justice. Its responsibilities include the investigation and prevent ...
(ATF) regulations.'Sparkler Bombs' Mar Celebrations
Wall Street Journal


In art and popular culture

An art group,
monochrom Monochrom (stylised as monochrom) is an international art-technology-philosophy group, publishing house and film production company. It was founded in 1993, and defines itself as "an unpeculiar mixture of proto-aesthetic fringe work, pop att ...
, was planning to light 10,000 bound sparklers which it described as "symbolic liberation" to reflect that sparklers are generally used in monotheistic traditions. A large group from Toronto, Ontario, Canada also held an event displaying 10,000 sparklers to symbolize brightness, intensity, warmth and creativity. In 1999 the two artists Tobias Kipp and Timo Pitkämö developed a technique of drawing portraits with burning sparklers on paper, which they called pyrografie. Since then the two artists have drawn more than 20,000 pyroportraits.Pyrografie
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See also

*
Consumer fireworks Consumer fireworks are fireworks sold for use by the general public. They are generally weaker in explosive power than the fireworks used in professional displays. Examples Consumer fireworks are often quite small and can be classified into t ...
*
Senko hanabi Senko hanabi ( 線香花火 ''senkō hanabi'' ) (sparkler - literally: incense-stick fireworks) is a traditional Japanese firework. Essays about them date back to at least 1927. They are a thin shaft of twisted tissue paper about 20 centimeters ...
, Japanese style sparkler.


References

{{commonscat Types of fireworks Diwali