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After the insecticide is sprayed, you can ventilate it for half an hour before you can enter the room. The hazards of pesticides include poisoning, dizziness, vomiting and other symptoms.
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It takes an hour or two to enter the room, and the insecticide will be corrosive to people, that is, if you smell too much, some people may be allergic.
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If pesticides are used indoors, insects will die in about 10 minutes. If you want a better insecticidal effect, it is recommended to close the doors and windows for about half an hour, and then open the doors and windows for ventilation.
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It takes about 3 hours after the spray to get indoors.
Then after entering, open the doors and windows for at least an hour. In this way, we can ensure that the mosquito repellent in it can be completely volatilized and there is no harm to our human body. Because the insecticide is a state of matter, it will combine with some things in the air after the spraying fails, if we go directly at this time, it will be bad for our health, so the insecticide cannot enter the house immediately after spraying.
Whether it's spraying mosquito repellent inside or outside the house, no one can be around. Because it takes 6 hours for the medicine to disperse inside, for some of us who go to work, we can kill mosquitoes at home before going to work, and we can go in after work. If you are killing mosquitoes outdoors, it is best to choose the morning, because there are fewer people at this time.
Before spraying insecticides, you need to seal all the food indoors, water sources, and cupboards, and wear long sleeves, wear masks, do a good job of poisoning protection, and avoid high temperature and strong collisions when spraying insecticides, and some insecticides are flammable and explosive, do not spray on the fire source, so as not to cause danger.
What are the methods of mosquito control?
1. Anti-mosquito curtain.
If we don't want mosquitoes in the room, we can install a curtain on the door, so that mosquitoes can be stopped in the house.
2. Mosquito repellent.
Now there is a good mosquito repellent that can be used by pregnant women and children. It has no taste and no fragrance, but it has a more lethal effect on mosquitoes, and mosquitoes dare not come when they smell it.
3. Mosquito repellent.
There is a mosquito repellent that does not need to be lit and does not require electricity. Put it in the room on the limbs can directly play a role in repelling mosquitoes, and it occupies a relatively small area, a small bottle can play a good role.
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In order to ensure human health, before spraying insecticide, wear long sleeves and masks, and open the window for ventilation 30 minutes after spraying insecticide, depending on the speed of the wind at that time.
Spraying insecticides indoors, generally need to be closed for 30 minutes to fully ensure that the mosquitoes are killed, and then open the windows for ventilation until the smell of indoor insecticides is exhausted, and then Wang Lu can be called into the room, and the ventilation time is determined according to the ventilation conditions at that time.
Before spraying insecticides, you need to seal all the chain fiber food, water sources, and cupboards in the room, and wear long sleeves, wear masks, do a good job of poisoning protection, avoid high temperature and strong collision when spraying insecticides, and some insecticides are flammable and explosive, do not spray on the fire source, so as to avoid danger.
The main principle of insecticide to kill insects: from the mouth, body wall, and valve of the insect into the insect's body, thereby interfering with the normal physiological activities of the insect, resulting in death or interfering with the normal nervous system of the insect, resulting in the insect's nervous system flocculating and causing its death.
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How long it takes for an insecticide to enter a room after spraying depends on a variety of factors, including the type of insecticide, the ventilation of the room, and the wind speed of the day.
Generally speaking, if you are using a spray-type insecticide, you can close the doors and windows for about half an hour after spraying the insecticide to allow the insecticide to fully function. Yuchi then opens the doors and windows for ventilation for 2-3 hours to reduce the concentration of pesticides in the room, so that you can enter the room.
It should be noted that if there is no wind on the day and the indoor ventilation is poor, you may need to wait for about 6 hours for Zheng Xiao to allow the insecticide to fully dissipate before entering the room.
In addition, different types of pesticides may have different effects on the human body, so when using insecticides, it is best to follow the instructions and precautions for use. At the same time, it is best to use insecticides when no one is indoors to avoid adverse effects on the human body.
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Summary. Insecticide can only enter the house after 1-2 hours of spraying.
Insecticide can only enter the house after 1-2 hours of spraying.
After spraying insecticide for 1-2 hours, you can enter the house. It mainly depends on the smell after spraying insecticide indoors, in order to make the effect of insecticides good, usually close the door after spraying insecticides, and then go in after leaving 1-2 hours, because during 1-2 hours, the insects may have been eliminated by the envy and blind insecticides. Pesticides contain a lot of chemicals that can cause some damage to our body.
Insecticides are mainly used to control agricultural pests and urban health pests. In the twentieth century, agriculture developed rapidly, and pesticides led to a huge increase in agricultural production. However, almost all pesticides can seriously alter ecosystems, most of which are harmful to humans, and the rest will be concentrated in the food chain; It is therefore important to strike a balance between agricultural development and the environment and health.
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<>1. It depends. If the ventilation is good, standing in the house can be clear to feel the wind, ventilation for about 2-3 hours The insecticide in the house can dissipate, you can enter the house at this time, and continue to ventilate for about 1 hour after entering the house.
2. If there is no wind or poor ventilation on the day, it is difficult for the insecticide powder in the house to dissipate, and it will take about 6 hours to enter the house. The elderly, children, and pregnant women also need to delay entering the house for some time.
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Generally, after spraying insecticides, the doors and windows should be closed for a period of time, so that the effect will be better, how long will this insecticide generally be sprayed to have an effect?
How long do you have to close the room with pesticides.
About 3-4 hours.
After spraying the room with insecticides, it is necessary to open the doors and windows for ventilation after half an hour to an hour, otherwise the insecticides are not easy to dissipate, and it will also cause harm to the human body. In a well-ventilated environment, it can generally be dissipated in three or four hours, and you can fall asleep only after the indoor smell is completely gone.
How long does it take for an insecticide to be effective?
Usually after spraying insecticide, the insects in the area sprayed with insecticide will die one after another in about 10 minutes, if you want to kill insects better, it is recommended to close doors and windows for half an hour. After using insecticides, it is recommended to spray three hours before entering the room, and the windows should be opened immediately after entering the room, and the door also needs to be opened, which is conducive to ventilation, and the air can be blown away by entering the room, thereby reducing the impact on the human body. It's best to wait until you go out before you go out, so you don't have to count the time and the insecticidal effect will be better.
Can you still use insecticide sprayed on dishes.
If it is an insecticidal aerosol of pyrethroids, it is less toxic. Simply wash the dishes with dish soap and put them in the sanitizing cupboard to disinfect and you're ready to use.
Will the insecticide spray leave marks on the wall?
Most of the insecticide ingredients, some because of their active ingredients, are volatile esters, and some solvents that dissolve the active ingredients are volatile esters. Although it is volatile, the volatilization is usually not 100%, if the surface of the wall is coated with absorbent materials, such as large white powder, the concentration of insecticides is not high, the amount is small, spraying on the wall is not necessarily a problem, but a large amount, after a period of time or shallow or deep traces will be traced.
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Usually close the door for at least 1-2 hours after spraying before entering.
After the insecticide is sprayed, it is necessary to wait at least 1 2 hours or so before it can enter the room, the insecticide contains a lot of chemicals, which will cause some damage to our respiratory tract, especially the respiratory tract of infants and young children, after the insecticide is sprayed, about 1 2 hours, you can open the window for ventilation for about 15 30 minutes, so that you can disperse the smell of the room.
Precautions for spraying pesticides
1. Try to use pesticides sparingly, but try not to use them when they are not in use. When using spray pesticides, it's a good idea to wear a mask. Minimize contact with pesticides, such as not staying in the house where the pesticide is applied, leaving immediately after application, and opening doors and windows to fully ventilate and exhaust before entering.
2. Do not spray pesticides directly at people and pets. Avoid exposure of infants, children, pregnant women and people with specific allergies to pesticides to avoid adverse effects. Do not spray pesticides on food, utensils, furniture and bedding when using pesticides.
Keep pesticides safe and out of reach of small children.
3. Bathe and change clothes after applying insecticides and insecticidal emulsifiable concentrates.
The above content refers to Encyclopedia - Pesticides.
<> about 10 minutes after spraying insecticide, the insects will die, if you want to kill the insects well, you must close the doors and windows for about half an hour, and then open the doors and windows for ventilation. Generally, when the ventilation is good, the wind can be felt indoors, so that the insecticide in the house can be dissipated after 2-3 hours of ventilation. If there is no wind in the weather where the insecticide is sprayed, it will be difficult for the insecticide in the house to dissipate, and it will take about 6 hours to enter the house. >>>More
It takes about 6 hours to finish. If the amount is relatively small, most of the amount will be evaporated within 2 hours while maintaining ventilation. Therefore, when using pesticides, the amount should be controlled, not excessive, and ventilation measures should be done in the room. >>>More
If the ventilation is good, it's OK.
Pesticides generally contain harmful chemicals that can cause damage to items and bedding if sprayed directly on items or bedding, and may also cause some harm to the human body. Therefore, the following measures need to be taken to clean up: >>>More
There are many medicinal uses, and there is resistance, so it is recommended to change the method.