What Does an Ant Exterminator Do?

Hygienic insecticide aerosols have developed rapidly since they were successfully developed in China for the first time in 1982, due to their unique killing effects, easy carrying, use, storage, quickness and accuracy, and other unique advantages. Aerosol refers to a preparation (original solution) that is packed together with a propellant in a pressure-resistant tank with a valve and sprayed in a mist form when used. The sprayed micro-shaped mist particles are called aerosols. Sprays are not propellants but are sprayed by hand using compressed air. The biological effect of insecticide aerosol is the main basis for measuring the quality of aerosol products. Insecticide effective ingredients and dosage are important factors affecting biological effects. Insecticide active ingredients are always used in a combination of knockdown insecticides and lethal insecticides.

Insecticide aerosol

Hygienic insecticide aerosols have developed rapidly since they were successfully developed in China for the first time in 1982, due to their unique killing effects, easy carrying, use, storage, quickness and accuracy, and other unique advantages. Aerosols are stock solutions and

Statistics in 1992 showed that the total annual output of insecticide aerosols in China reached 50 million cans. With the rapid development of insecticidal aerosols, product quality issues have received increasing attention. However, how to correctly evaluate the quality of insecticide aerosol products? Most producers, distributors and users often simply evaluate the product quality based on their biological effects, and ignore many other important factors affecting product quality. We all know that because aerosol technology is a multi-disciplinary comprehensive technology, from the overall perspective of aerosol products, it is not a container, valve,

There is also an "aerosol" similar to aerosols, because

According to the test method in GB / T14449-1993, the product's storability and leakage, fog particle diameter and its distribution, spray range and spray angle, spray rate, etc. are comprehensively tested.

1. Storage and leakage of the container The contents of the aerosol can cause corrosion on the can, the sealing cup, the inner wall coating, the gasket and the valve. Corrosion often occurs inside the tank, which shortens the storage resistance of the container , Increasing the leakage of the container. Especially affected by ambient temperature in summer,

Under the same conditions of the formulation, the biological effect varies with different solvents. Insecticide aerosols are mainly divided into oil-based aerosols and water-based aerosols. Among them, oil-based aerosols have the best effect. The biological effects of the insecticide aerosol are mainly evaluated from the following six aspects.

1. LT50 The time that a compound kills half of the tested insects under a certain air concentration, usually expressed in min.

2. KT50 Under certain experimental conditions, half of the tested insects are knocked down, usually expressed in min.

3. KT1 The time for the first test insect to be knocked out under certain drug dose test conditions is generally expressed in min.

4. KT95 Under certain experimental conditions, 95% of the tested insects are knocked down, usually expressed in min.

5. 24h mortality The insects at the end of the test (knocked down) are moved to a clean container and fed with 5% sugar water cotton balls. After 24 hours of breeding, the percentage of dead insects in the total number of tested insects is generally expressed in%.

6. The test of the medicinal efficacy in the simulation site is conducted according to the test method of GB 139.8-1992. The number of test insects and live test insects that are knocked down for 1 h are recorded, and then all the test insects are transferred to cleanliness.

The safety of insecticide aerosols has always been of concern to manufacturers' distribution departments, consumers and administrative departments. Its safety mainly involves two aspects of aerosol toxicity and flammability.

1. Toxicity of insecticide aerosols

Types B, I, and F are determined by some manufacturers themselves, and may be formulated based on ingredients, use methods, etc., and the quality is difficult to say.

When buying insecticide aerosols, it is best to buy brand-name insecticides in large shopping malls and supermarkets. Don't forget to buy cheap aerosols of unknown quality and filled insecticides. Most of the insecticide aerosols currently used in our city are mostly insecticide aerosols that are now widely used in the world, and most of them are insecticides belonging to the class of pyrethroids, which are generally recognized as safe in the world. However, tests by environmental toxicologists at home and abroad have confirmed that this insecticidal component is obviously toxic to the nervous system of humans and animals, and long-term exposure can cause neurological symptoms such as neural paralysis, sensory nerve abnormalities, and dizziness and headache. Other general insecticidal ingredients are more toxic to the human body. Therefore, citizens should pay attention to safety when using pesticides. They should use pesticides as sparingly as possible, and use them when not in use. When in use, minimize contact with pesticides. If you do not stay in the house, leave immediately after application. After half an hour, open the doors and windows and fully ventilate before entering. Do not allow infants and children with imperfect brain development to come into contact with any pesticides to avoid adverse effects on brain development; use pesticides in the kitchen with great care and do not contaminate food and kitchen utensils. Agent to minimize contact with insecticide aerosols to ensure summer safety.

Results of national supervision and inspection of insecticide aerosol product quality

Insecticides are toxic

Summer is hot, and mosquitoes, flies, cockroaches and other pests are active, often harassing people's normal life. In order to deal with these annoying "guys", insecticide aerosols are essential items in summer homes. However, unlike ordinary daily necessities, insecticide aerosols have a certain degree of toxicity. If they are not taken care of, they will easily endanger the health of family members and children.

First of all, the correct method of use should be: direct spray at the pest, or close the doors and windows, spray in any direction in the space, so that the room is covered with a mist of medicine, which can kill flying insects such as mosquitoes and flies within a few minutes, and open after 10 minutes Doors and windows, ventilated before entering the room. For reptiles such as cockroaches, the aerosol should be sprayed evenly on their infested, stopped, and perched places. To keep the drug lasting, it should not be removed after spraying.

As any insecticide has certain toxicity to the human body, the pyrethroid sanitary insecticides are widely used internationally. If the human body is exposed for a long time, it will cause neurological toxicity, causing dizziness, headache and other symptoms.

1. Before spraying the mist, all food, water sources and cupboards must be sealed. It is best to use it after meals to avoid contamination and keep the medicine tank out of the reach of children.

2, should be well protected, it is best to wear long-sleeved clothes, wear a mask to prevent skin or respiratory tract poisoning.

3. Do not overdo it. Many people increase the dosage in order to enhance the insecticidal effect, but this will also easily lead to poisoning. If you find that your family or child has symptoms such as dizziness, nausea, blurred vision, and skin tingling, you should leave the environment where the pesticide was used in time, and send it to the hospital for treatment if it is serious.

4. As the insecticide aerosol is pressure-packed, avoid violent impact and high temperature environment. In addition, some products use flammable organic substances as solvents. Do not spray them against fire sources to avoid danger.