What are the ingredients of firecrackers?

The main components of firecrackers are gunpowder, nitrate, perchlorate, sulfur and charcoal.

1, the main component of firecrackers is black powder. The main components of gunpowder are ammonium nitrate, potassium nitrate, sulfur and charcoal, and some also contain potassium chlorate. Magnesium powder, iron powder, aluminum powder, antimony powder and inorganic salt should be added when making electro-optic cannons, fireworks and colored fireworks. When strontium salt is added, the flame is red, barium salt is green and sodium salt is yellow.

2. The origin of firecrackers has a history of 1000 years. When there was no gunpowder and paper, ancient people burned bamboo to make it burst and make a sound, so as to drive away the plague. This is of course a folklore, but it reflects the yearning of ancient China people for Aetna.

3. Firecrackers are said to be different in different periods, including firecrackers, sticks, firecrackers, firecrackers to firecrackers. Since modern times, people in China have set off firecrackers on almost traditional festivals, weddings, celebrations, temple fairs and other occasions, especially during the Spring Festival, the use of firecrackers exceeds half of the annual consumption.

Setting off firecrackers will not only cause air pollution, but also produce noise pollution. The noise of setting off firecrackers has a great influence on our physiology and psychology. It will not only damage our hearing, but also our cardiovascular system. It not only affects people's nervous system, makes people irritable, but also affects sleep and causes fatigue.