In summer, mosquitoes can cause great harm to the human body, especially red mosquitoes. Many people will be covered with mosquito bites. At this time, many people will choose to light mosquito coils to drive away mosquitoes. Mosquito coils do have some effect in repelling mosquitoes. Now there is a new type of mosquito coil called electric mosquito coil, which uses electricity to heat the mosquito coil to repel mosquitoes. So are electric mosquito coils harmful to the human body? Let’s talk about it below. Many citizens believe that electric mosquito coils are much less harmful to the human body than traditional mosquito coils. According to experts from the college, electric mosquito coils and traditional disc mosquito coils actually use the same principle to repel mosquitoes and the same raw materials. In addition to having no open flames and producing no smoke, electric mosquito coils are both low-toxic mosquito repellent products like traditional mosquito coils. The active drug ingredient in various mosquito coil products is usually 0.2%-0.4% pyrethrin, which has low toxicity and very little harm to humans. Most people will not have abnormal reactions when using it. However, some fake and inferior mosquito coils contain 666 powder, realgar powder, etc., which can cause chronic poisoning in people. 1. The principle of lighting mosquito coils: The oldest way to deal with mosquitoes is to use the burning effect to slowly release insecticides into the air, which has a greater mosquito repelling effect than killing mosquitoes. Disadvantages: Some mosquito coils made from wood chips, rice bran, etc. will produce polycyclic aromatic hydroxyl substances after being burned, which may cause cancer. Usage Notes: 1. It is best to use it in an outdoor area with good air circulation. 2. Light mosquito coils in the evening or before dark for the best mosquito repellent effect. 2. Electric mosquito coils, liquid electric mosquito coils Principle: The principle of electric mosquito coils is to absorb the insecticide (pyrethrum) into the paper and use the hot air to evaporate the insecticide. The general efficacy can last for 6-8 hours. Liquid electric mosquito coils can last longer, generally about 60 days. Disadvantages: Electric mosquito coils are effective when first used, but after 4-5 hours, the insecticide is exhausted, the efficacy deteriorates, and the mosquito repellent effect weakens. In addition to releasing chemicals such as lenin and toluene, electric mosquito coils are also harmful to the human body. The hazards of electric mosquito coils to the human body are introduced above. After reading these introductions, everyone should have a better understanding of the hazards of electric mosquito coils to the human body. In the future, try to choose daily necessities that are harmless to the human body, so that these daily necessities will not cause other diseases in the body. |
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