What are the methods to remove glass fogging?
2 Answers
Methods to remove glass fogging include: 1. Open both windows to allow air convection and eliminate the temperature difference on both sides of the windshield; 2. Turn on the air conditioning with cold or hot air; 3. Use a defogging agent; 4. Wipe the glass with soapy water; 5. Dry the fog with a towel. The causes of glass fogging are: 1. Large temperature difference between inside and outside the car; 2. The window temperature is lower than the dew point temperature; 3. There is a temperature difference on both sides of the window. Methods to prevent glass fogging include: 1. Apply soapy water, detergent, ethylene glycol, glycerin, or polyvinylpyrrolidone; 2. Coat thick plastic film with silicon and then apply hydroxyethyl methacrylate silicone; 3. Apply a water solution of carboxymethyl cellulose mixed with salt onto the glass.
I often encounter fogging on my windshield while driving, especially on winter mornings. The solution is to quickly turn on the defogging mode of the air conditioner, usually by setting the air conditioner to external circulation, turning on the fan, and adjusting the temperature to warm or cold air—using warm air in winter can quickly dry the glass, while cold air in summer reduces water vapor condensation. Manual wiping is also very effective; I keep a dry towel in the car to wipe away the fog at any time. It's important to maintain air circulation inside the car; slightly opening the window when parked helps reduce humidity buildup. Anti-fog sprays can also help by forming a protective film on the glass when applied weekly, making it harder for water droplets to form. For safety, fogging can dangerously blur visibility, so I immediately slow down and pull over to deal with it, avoiding distractions while driving to wipe it. Regularly check if the window seals are aging, as this can allow moisture to seep in and increase the risk of fogging. Through these practices, both driving safety and comfort have improved.
