Mosquito coils

A mosquito, where the drugs are lit after the smoke can be driven out of mosquitoes or smoked mosquitoes. China 's mosquito coils have a very long history, the traditional mosquito coils fragrant incense (no bamboo core incense) and dish incense (incense from inside to outside in turn surrounded by a number of circles to form a concentric ring, fragrant cross section of the polygon. Two kinds.

Mosquito-burning tobacco contains four substances that are harmful to the human body, namely ultrafine particles - soot (particulate matter less than 2.5 microns in diameter), polycyclic aromatic hydrocarbons (PAHs), carbonyl compounds (such as formaldehyde and acetaldehyde) and benzene. At the same time, in addition to these four kinds of obvious harmful substances, mosquito coils in a large number of organic fillers, adhesives, dyes and other additives in order to make mosquito coils can be no smoke smoldering.