Car windshield cleaning series DIY "glass water" three major disadvantages
[China Glass Network] What is glass water?
Glass water is a common name for car windshield cleaning fluid, and it is a consumable item used in automobiles. The main ingredients are composed of ethanol, ethylene glycol, various surfactants, deionized water, and a small amount of dye.
Type of glass water
There are three kinds of glass water on the market: one is commonly used in summer, and the insecticidal component is added to the cleaning liquid to quickly remove the fly residue that hits the windshield; one is specially designed for winter use. The frozen glass cleaning liquid ensures that when the outside temperature is lower than minus 20 °C, it will not freeze and freeze the automobile facilities; the other is the special anti-freeze type, which guarantees that it will not freeze at minus 40 °C, which is suitable for the cold in the north of China. Regional use.
The role and benefits of glass water:
When you feel the transparency of the front windshield of the car is poor, then spraying a glass of water will give you a "clear and clear" view. Especially when driving at night, glass dust will scatter light. At this time, it is necessary to spray a glass of water to keep the front windshield in a better transparent state. In a dusty environment, and when running a highway on a rainy day, the consumption of glass water is very fast. There are six specific points:
1, cleaning
Due to the presence of surfactants, the purpose of cleaning and decontamination is achieved by the functions of wetting, permeation, solubilization and the like. This cleaning effect is much better than the cleaning effect of water.
2, antifreeze
Due to the presence of ethanol and ethylene glycol, the freezing point of the solution can be significantly reduced, thereby preventing the freezing effect and quickly dissolving the frost.
3, anti-fog
The fog and frost on the glass are caused by the adsorption of water from the air on the glass surface. The former is uneven distribution around the adsorption sites on the glass surface, and the adsorption characteristics are not completely uniform, so that the adsorbed water is unevenly distributed to form droplets, while the latter is characterized by water droplets forming ice cream at low temperatures. After washing with glass water, a single-molecular protective layer is formed on the surface of the glass, and the main component is a surfactant. This protective film can eliminate the inconsistency in the vicinity of the adsorption point and prevent the formation of droplets. Even if a droplet is formed, the surfactant can spread the droplet into a water film, or dissolve the cream and evenly spread it into a water film. Improve transparency and ensure a clear vision.
4, antistatic
In the running of the vehicle, the friction between the windshield and the wiper and the air will generate electric charge, and the electric charge will absorb the dirt and affect the visual field. The surfactant in the protective layer can neutralize the charge or enhance the conductivity of the glass surface, eliminating the charge on the surface of the glass and preventing adsorption.
5, lubricity
The glass water contains ethylene glycol, which has a high viscosity and can be used for lubrication to reduce the friction between the wiper and the glass to prevent scratches.
The role of glass water 6, safety
Glass water does not contain various metal ions, and it has no corrosive effect on automobile topcoat, rubber (information, market) and various metals, and is safe.
"Reissue glass water" has more disadvantages
Under normal circumstances, glass water is about 10-20 yuan, some are very cheap or even 4 or 5 yuan; there are owners who will give up the purchase of special glass water, choose "prescription" - homemade glass water. They replaced detergents, detergents, washing powder, etc. with a little water instead of special glass water, which was considered cheap and worry-free; some owners used water instead of glass water. Although these DIY glass waters can also be used, there are certain hidden dangers in these practices.
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