Traditional Culture Encyclopedia - Photography and portraiture - The glass is worn, how to polish it?
The glass is worn, how to polish it?
If it is a small scratch, slightly deeper, you can use ammonia water to repair it, mix water and ammonia water evenly in proportion, and use a rag to repair the scratch.
The deep and large scratches in the main visible area of glass are not recommended to be polished and repaired. Because of the deep scratches, the polishing strength will increase correspondingly, and the glass wear at the scratches will be greater than that at other places, which will make the glass thickness thinner and cause visual distortion. Especially when driving at night, the incident light is easy to form an aperture, which will interfere with the line of sight and affect the driving safety. For the sake of safety, it is recommended to replace the glass directly.
Extended data:
Precautions for glass maintenance:
1. Note that the model of sandpaper is different from that of daily hand-thrown sandpaper and should not be confused with daily sandpaper.
2. Pour out a little polishing stock solution as required, and dilute it with water according to the ratio of 1: 1, which shall not exceed 1: 5. It is specially used for sandpaper polishing.
3, the installation of glass, to use silicone sealants to fix, in the installation of windows, etc. , also need to cooperate with rubber sealing strip, etc.
4, after the completion of the construction, users need to pay attention to paste anti-collision warning signs, generally can use dry paste, color electrical tape and other tips.
5, scratch polishing place must ensure that the polishing solution is sufficient, at any time sandpaper can't directly dry grinding on the glass surface.
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