Blog 2017-09-05 645 0
Health insecticidal aerosol, successfully developed for the first time in our country since 1982, due to its good killing effect, easy to carry, use, storage, work quickly, accurately, and other unique advantages and get rapid development. Aerosols are the preparation (liquid) that is sprayed in the form of a spray in a pressure-resistant tank with a valve with the original liquid and the projectile. The micro – shaped particles sprayed out are called aerosols. Sprays do not use projectile but are sprayed by hand pressure. The biological effect of the insecticidal spray is the main basis for measuring the quality of aerosol products. The effective composition and dosage of insecticide are important factors to influence biological effect. Insecticidal active ingredients are often used in the manner of knock down insecticides and lethal insecticides.
In 1992, the total output of insecticidal aerosol in China was 50 million cans. With the rapid development of insecticidal aerosol, the quality of products has received more and more attention. However, how to evaluate the quality of insecticidal aerosol products correctly? Most producers, dealers, and users often simply evaluate the quality of their products in terms of their biological effects, ignoring many other important factors that affect the quality of the product. We all know that the aerosol technology is a multi-disciplinary comprehensive technology, from the perspective of the wholeness of aerosol products, it is not a container, valves, aerosol propellant and simple addition of insecticidal between effective ingredients, but also involves the use effect, safety and economy, also should comply with the world health organization (WHO) to the provisions of the toxicity of pesticides. Therefore, the quality of insecticidal aerosol products should be evaluated comprehensively from the aspects of physical and chemical properties, biological effects and safety of products.
There is also a kind of “gas squeezing agent” similar to aerosol because the projectile does not squirt out of the can when used, only the original liquid is extruded in the form of droplet or strip, so it is called “air squeeze agent”. The ejection of the gas extruder is not foggy and belongs to the known – aerosol system, but it is similar to the aerosol in its preparation and operation principle.
B type, type I, F type is set by some manufacturer, may according to composition, use way and so on, quality is not easy to say.
Buying insecticide aerosol is best to go to big shopping malls, supermarkets to buy famous brand insecticide aerosol, and forget about the cheap ingredients of cheap ingredients and the gas fog of the filling and insecticide. Is now widely used in our city insecticidal aerosol, mostly adopts a kind of world is now widely used in the bedroom of the insecticidal aerosol, is mostly used for the world recognized security belongs to strain the insecticidal composition. However, the domestic and foreign environmental toxicologists test confirmed that the insecticidal composition has obvious toxicity for the human nervous system, long-term exposure can cause nerve palsy, abnormal sensory nerve and nerve symptom such as dizziness have a headache. Other common insecticidal compounds are more toxic to humans.
Therefore, people should pay attention to safety when using pesticides and try to limit the use of pesticides. Try to minimize contact with pesticides when used. If you don’t stay in the drug house, leave immediately after the application, then open the doors and Windows in half an hour before entering. Don’t let your brain develop undeveloped children and children with any pesticides to avoid harmful effects on brain development; Use pesticides in the kitchen to be more careful not to contaminate food and kitchen utensils. Agent, minimize contact with insecticide aerosol, ensure safe summer.
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