This product is easy to clean house using imported materials, natural, effective, and there are easy to use and can quickly kill mosquitoes, flies, cockroaches, and so the family can see a variety of insects, efficacy in a short period of time is useful, effective fast. Features and benefits of the product performance: the ability to quickly kill the family of common insects, no pollution, no odor, leaving no trace after spraying, the room has a very sweet taste. Packing: We designed the big designer brands give us design, exquisite appearance, fashion good aerosol insecticides, welcomed by the public. Not only looks good. Uses: Widely used in homes, hotels, room, shop, travel, and so many other places, the use of pest control in a long time, is the ideal home health insecticide products. A nice easy money aerosol insecticides, easy home net. Summer to the aerosol insecticide aerosol insecticides brake when frequently used pesticides brake is at room temperature the gas ______ ______ way through the bottle after loading. After using insecticide spraying for a moment, hands will feel the cool metal cans containing pesticides, and this is because the bottle of insecticide happen to be endothermic ______. This is the principle of aerosol insecticide; commentary. (1) There are two gas liquefaction method: compression volume, reducing the temperature; liquid insecticide in canister, the gas at the time of filling is a method by compressing the volume of liquefied into a liquid stored in the metal tank; ( 2) when the button is pressed after the nozzle certain agents, metal cans will feel cool, this is because after the drug ejection, the liquid medicine tank is gaseous rapid vaporization and endothermic vaporization of the metal tank temperature drops kerosene agent aerosol insecticide plant, it would be cool. So the answer is: the compressed volume; liquefaction; vaporization. Use to use, we are Chinese brands, easy home net aerosol insecticide manufacturers, Kaifeng aerosol insecticides, easy home net provided by Liaocheng brand Acer Fine Chemical Co., Ltd .. Liaocheng Acer Fine Chemical Co., Ltd. (www.lchfhg.com) strong, credible, Shandong Liaocheng insecticide Miehai industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Acer fine chemicals and you hand in hand into the brilliant, for a better future!