mosquito repellent incense is a daily product used by most people to repel mosquitoes, but the smell of mosquito repellent incense is strong. Many people worry that smelling too much is harmful to human body, and many people rely on mosquito repellent incense to repel mosquitoes. Is mosquito repellent incense poisonous? Look at the answers below.
1 Is mosquito repellent incense toxic?
the main component of mosquito repellent incense is d-allethrin, and its effective mosquito repellent component is pyrethroid. Pyrethroids are a kind of low toxicity and high efficiency insecticides allowed by the state. There is a specified proportion in mosquito repellent incense, while other insecticides are not allowed to be used in mosquito repellent incense. Regular mosquito repellent incense generally does not pose harm to human body, but the use of mosquito repellent incense should also be done in a proper way. The smoke emitted during the combustion of mosquito repellent incense contains suspended particles. Some data show that the content of indoor suspended particles can increase to 90.9 times before ignition, far exceeding the national standard.
at present, there are three main types of mosquito repellent incense produced in China. The first type is cigarette disc mosquito repellent incense. The filler is mostly plant powder, and the amount of suspended particles produced in the combustion process is the most. The second type is smokeless disc mosquito repellent incense, which is filled with charcoal powder and has little smoke. The third category is electrothermal mosquito repellent tablets and electrothermal mosquito repellent water, which produce the least suspended particles when used. If the components are the same, the toxicity of disc mosquito repellent incense is the same as that of electric mosquito repellent incense. However, cigarette disc mosquito repellent incense has great pollution and produces smoke. It is suitable for outdoor use, balcony, etc. The sheet type electric mosquito repellent incense and liquid electric mosquito repellent incense have less pollution and are suitable for indoor use.
2 How to choose mosquito repellent incense
if mosquito repellent incense is selected, it is recommended to choose mosquito repellent incense made of low toxic pyrethroid to minimize the toxicity to the respiratory tract. If there are pregnant women or infants at home, it is recommended to use electric mosquito rackets Physical mosquito killing lamps, ultrasonic mosquito repellents and other safe and non-toxic mosquito killing products with side effects shall avoid the use of mosquito repellent incense.
3. What is the anti mosquito principle of mosquito repellent incense
mosquito repellent incense is to mix mosquito repellent (generally pyrethroid, i.e. pyrethroid insecticide) and other combustion supporting substances (such as sawdust) through technical means to make mosquito repellent incense, and then put it into the air released by the pyrethroid insecticide in the mosquito repellent incense in the hands of users through combustion. Mosquitoes will be poisoned and die after smelling it, Or run away. This is also related to the size of the space where the mosquito repellent incense is located. If the space is small, the concentration is large, and the mosquito control effect is good. If the space is large, the concentration is small, and the mosquito repellent effect is not so good.
Precautions for using mosquito repellent incense
1. Mosquito repellent incense must not be selected in supermarkets or markets & ldquo; Three noes & rdquo; For mosquito repellent incense products, the packaging box shall be clearly seen when selecting mosquito repellent incense. The outer packaging of the product shall have the factory name, address, production date, validity period, composition, executive standard, pesticide registration, etc.
2. Select mosquito repellent incense to touch the surface, such as disc mosquito repellent incense. Rough and uneven surface indicates poor quality. For electric mosquito repellent incense sheet and liquid mosquito repellent incense, the plastic parts shall not have obvious warpage, deformation, cracks, scratches, burrs, etc. when selecting, carefully look at the composition, and try to select pyrethroid products, permethrin, ES biological permethrin, etc. These can be used in manned environment, and avoid selecting organophosphorus and carbamate products as far as possible.
3. In terms of the selection of mosquito repellent incense types, some consumers may think that the toxicity of electric mosquito repellent incense to human body is much smaller than that of traditional disc smoking mosquito repellent incense. However, according to relevant experts, electric mosquito repellent incense and traditional disc smoking mosquito repellent incense actually use the same raw materials, and the effective components are chemical agents with insecticidal ingredients, so & ldquo; Electric mosquito repellent incense is less harmful than traditional disc smoking mosquito repellent incense & rdquo; The argument is unscientific and groundless. Some fake low-quality electric mosquito repellent incense even contains realgar powder, which will cause chronic poisoning.
What are the methods to kill mosquitoes
soup to kill mosquitoes
fill a small amount of sugar water or honey water in an empty wine bottle, shake it to make the inner wall of the bottle stick with sugar liquid, and place it at the active place of mosquitoes respectively. Mosquitoes like sweetness. They smell sugar and get stuck in the bottle. You can also evenly apply a layer of qusuanling syrup on the surface of containers such as glassware or ceramic pots, and put it in the dark. Mosquitoes will also be poisoned and die after ingestion.
soapy water to kill mosquito eggs
put a basin in the yard. The basin is filled with soapy water made of soap and washing powder, which can lure mosquitoes to lay eggs in the water. However, this alkaline environment is not suitable for mosquitoes to survive, so if there are mosquitoes at home, the effect can be seen basically overnight, and the basin will be filled with many dead young mosquito eggs.
plant mosquito repellent
usually collect some orange peel, clove and wormwood to dry, install them with silk stockings, put them under the window and threshold, and stick them with adhesive tape. You can also mash fresh garlic, green onion and leek, put them in containers and put them in corners, which can play the effect of mosquito repellent.
medicinal materials to repel mosquitoes
buy or collect some wormwood, Wormwood Leaves and asarum to make a beautiful sachet and hang it on the window and door, or at the head of the bed, which can also achieve the effect of repelling mosquitoes. Black pepper also has obvious mosquito repellent effect. At ordinary times, it can be sprinkled on the window, door or edge of flower pot to prevent mosquito breeding and invasion.