Air freshener is a chemical product that began to be used in the field of environmental sanitation in the 20th century, which can be divided into:
1. Aerosol type. Refers to canned products that use a propellant. When using these products, the air freshener in a closed tank can be sprayed evenly under the pressure generated by the propellant and form a suspended spray in the air.
2. Spray type. Refers to a micro-spray product that does not use a projectile.
The main substances of air fresheners are:
1. Deodorant and deodorant. In addition to projectiles and compressed gases, the air fresheners in the closed tank generally contain substances that have chemical reactions with sulfur compounds, ammonia, amines, and formaldehyde, such as ferrous sulfate.
2. Fresheners and fragrances. Most of them are polyols, peppermint oil, flavors and other substances. Spraying the above air fresheners into the air can deodorize and deodorize, and add polyols, peppermint oil, flavors and other substances to enhance people's feeling of fresh air.
Three advantages of air fresheners
1. The price is cheap. This is the most obvious advantage of air fresheners, and the price of air fresheners sold in the general market is between 15-30 yuan, which is cheaper than car perfume.
2. Easy to use. Generally, the commonly used air fresheners are aerosol type, which is spray-ready and does not require any supporting facilities in the car.
3. There are many fragrance types to choose from. For some scent-loving drivers, especially female drivers, the attractive scent of air fresheners is also the main reason for them to buy.
