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Can mosquito repellent incense kill mosquitoes? What are the main ingredients of mosquito repellent

4hw.com.cn: do mosquito repellents rely on the gases they emit? Can this gas kill mosquitoes? What is the principle of mosquito repellent incense? What are its main components? Come and have a look with Xiaobian.

Can mosquito repellent incense kill mosquitoes

You can't kill mosquitoes. In theory, as long as the concentration of insecticide reaches a certain level, mosquitoes will die after contacting for a certain time, but in fact, the room is rarely a closed space, the concentration of residual insecticide in the air is not high, and the effect of mosquito repellent is greater than that of mosquito killing.

And now they are more concerned about health. The concentration requirements of mosquito repellent products should not be too high, so the effect of killing mosquitoes should be less than that of repelling mosquitoes. After all, as long as mosquitoes don't come and don't bite us, it's OK. But according to the national standard, mosquito repellent incense can kill mosquitoes when it is put in a closed environment.

Another reason is that with the frequent use of mosquito repellent incense, the mosquito's resistance to insecticides has increased. Even if the effective ingredient in mosquito repellent incense increases, it may not kill mosquitoes. Moreover, we dare not add too much, for fear that the evolution of mosquito's resistance will be too severe. So mosquito repellent incense is simply the effect of mosquito repellent. In general, mosquitoes can't die, because the poisoning belongs to mild poisoning for mosquitoes.

Principle of mosquito repellent

1. The principle of mosquito repellent incense is to ignite the mosquito repellent incense, volatilize the pyrethroids in the mosquito repellent incense with the smoke, and then transmit them to all corners of the room, paralyze the nerves of the mosquito, kill the mosquito or scatter them to escape. In this way, the mosquito can be eliminated.

2. The traditional mosquito repellent incense is the first insecticide to be used. It was made into a similar mosquito repellent stick with traditional Chinese medicine long ago. Mosquito repellent incense is the use of high-temperature combustion, the insecticide slowly released into the air, mosquito repellent effect is greater than mosquito killing effect.

Main components of mosquito repellent incense

The main component of mosquito repellent incense is a small amount of insecticide, which contains organophosphorus, carbamate and pyrethroid. Among them, organophosphorus is the most toxic and pyrethroid is the least. Therefore, most of the effective components of mosquito repellent incense are pyrethroid insecticides. More than 90% of mosquito repellent incense on the market are pyrethroid insecticides. It is a kind of low toxicity and high efficiency insecticide. The state allows the use of this substance to repel mosquitoes, and the maximum use content is stipulated in mosquito repellent incense.

Traditional mosquito repellent incense smoke contains fine particles, polycyclic aromatic hydrocarbons, carbonyl compounds and benzene. Although incomplete combustion may pose a threat to human body, its content is generally small, and it will not be affected if it is used reasonably. It should be noted that the smoke of mosquito repellent incense may cause allergic reaction and induce asthma attack. People with such diseases should use it carefully.