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Firework manufacturers in Bulacan.

 

 

 

 

 
 

Firework manufacturers in Bulacan.

 

 

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Firework manufacturers in Bulacan.

 

 

 

 

 

 

 

There is the Sinturon ni Judas (Judas’ belt) which is like a belt filled with firecrackers and its counterpart the Sawa or snake, which is like the belt but longer, literally a snakelike string of hundreds, sometimes thousands of firecrackers.
 

Firework manufacturers in Bulacan.

 

 

 

 

 

 

 

 
 

Firework manufacturers in Bulacan.

 

 

Strings serve as the fuse. First the strings are soaked in water and then coated in black powder and dried in the sun. It will then be wrapped in thin colorful papers and later integrated into the firecracker.

Firework manufacturers in Bulacan.

 

 

 

 

 

 

 

Kwitis is a rocket-type firecracker which propels to a height of about 40 to 50 feet once lit. The Bureau of Fire Protection (BFP) wants the government to ban flight firecrackers after an aerial type of fireworks, kwitis (sky rocket), caused most of the fire incidents in Metro Manila at the height of New Year revelry.

Firework manufacturers in Bulacan.

 

 

A “whistle bomb," a powerful firecracker that makes a whistling sound before it explodes.
 

Fireworks manufacturers in Bulacan.

 

 

 

 

 

 
Here they are making small triangulo or triangle firecrackers. Internationaly they are also known a Polumna firecrackers, Mexican style firecrakers of Black Bermudas. Many things can be used to create a triangulo's casing. From news paper to craft paper or many kinds of tape. Usually in a 1.5"x12" strip. They are filled with Black Powder . Black Powder is a chemical compound invented in the 9th century and was practically the only known propellant and explosive until the middle of the 19th century. As such it has been superseded by more efficient explosives such as smokeless powders and TNT.The current standard for black powder manufactured by pyrotechnicians today is 75% potassium nitrate, 15% charcoal and 10% sulfur. Triangulos are easy to make, inexpensive, and because they are made of paper materials, they pose minimal shrapnel danger.  

Firework manufacturers in Bulacan.

 

 

 

 

 
 
 

Firework manufacturers in Bulacan.