4hw.com.cn: there are many mosquitoes in summer. In many ways to kill mosquitoes, many families will choose electric mosquito repellent incense. According to the report made by the Institute of health, in addition to the chemical substances such as Lenin and toluene, there are many unknown and harmful compounds released from the mosquito repellent incense. If it is used in an airtight room, severe allergy may occur. What are the buying skills we have when buying electric mosquito repellent incense?
Is electric mosquito repellent harmful to human body
Is electric mosquito repellent harmful to people?
In fact, the principle of electric mosquito repellent incense is the same as that of traditional mosquito repellent incense, which is the same raw material. The effective ingredients of electric mosquito repellent incense, liquid mosquito repellent incense and electric mosquito repellent incense are all chemical agents with insecticidal ingredients. The difference is only that their carriers are different. Therefore, the harm of smoke-free mosquito repellent incense is less than that of smoke-free mosquito repellent incense. It is unscientific to say that electric mosquito repellent incense is more harmful than disc mosquito repellent incense. But some fake and inferior mosquito repellent incense contains liuliuliu powder and realgar powder, which can cause chronic poisoning.
According to the report made by the Institute of health, in addition to the chemical substances such as Lenin and toluene, there are many unknown and harmful compounds released from the mosquito repellent incense. If it is used in an airtight room, it may cause serious allergic phenomena, such as sore throat, stuffy nose, headache, etc. Therefore, it is suggested to keep air circulation when using electric mosquito repellent incense.
The skill of choosing electric mosquito repellent incense
1. When purchasing electric mosquito repellent incense, you must read the instructions clearly, choose products with low toxicity and no stimulation, and choose more reliable brands at the same time. See whether the package indicates the approval number of the State Agricultural Commission and the accurate drug composition and content.
2. Check whether the indicator light is on after power on and whether the temperature rise is normal. The heat transfer plate should feel hot after being electrified for a moment. Small paper pieces can be placed for observation. Generally, after 2-3 minutes of power on, the paper will be heated and bent, but will not turn yellow.
3. In the selection of electric mosquito repellent, it is necessary to check whether the appearance is scratched, cracked, deformed, etc., and whether the place of origin, manufacturer and operation manual are complete.
4. There shall be no obvious color difference on the surface of the electric mosquito repellent incense sheet, the base of the sheet shall be complete and free from defects and mildew, and the smell shall be suitable when used, without irritation, ash and open fire.
5. The liquid of liquid mosquito repellent incense shall be transparent, colorless or yellowish without precipitation, the cap shall be tightly fitted without leakage, and there shall be no irritation and open fire during use.