Is it normal for car windshield hairline to be scratched?The principle of toothpaste repairing glass scratches

Everything can't escape the baptism of time, and it will definitely change its form after using it for a long time. Is it normal for hairline scratches on the windshield of a car to be used for a long time? It's too normal. This is due to the aging of the rubber strip or the friction of the fine particles attached to the glass. Many people use toothpaste to repair it. What is its principle?

The principle of toothpaste repairing glass scratches

Toothpaste has the effect of repairing glass scratches, mainly because the toothpaste contains some fine abrasive particles, which can play a grinding effect and achieve the repairing effect. If there are small scratches on the windshield of the car, clean the glass first, apply some toothpaste on the scratched area, and then use a soft clean towel to moisten it and rub it, so that the scratches can be polished and smoothed. (click to read:Toothpaste repair glass detailed operation tutorial)

Toothpaste can remove small scratches, but it cannot repair deeper, longer and more obvious scratches. For such scratches, if they are within sight, it is not recommended to repair, and the effect of repair is relatively limited, and the repair will be lost. It may cause distortion of sight and affect driving. It is recommended to replace it directly.

For car windshield scratch repair, it is best to go to a professional beauty shop or 4S shop for processing. Professionals have professional tools, more complete and finer sandpaper, and better technology. Generally use sandpaper dipped in water to polish the scratches. After polishing, use a polishing machine to polish the mirror surface reducing agent. This can remove most common scratches and some stubborn substances attached to the glass and restore the glass. like New.