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How to remove the film layer of coated glass
Coated glass is divided into evaporation coating, magnetron sputtering coating and online vapor deposition coating glass. Because the method of preparing the membrane is different, the method of removing the membrane is also different.
Suggest:
1. The evaporative coated glass can be polished and wiped with hydrochloric acid and zinc powder. Note that the use of this method requires final cleaning.
2. The magnetron sputtering coating is also polished and wiped with hydrochloric acid and zinc powder. Because the coating is sometimes thicker, the removal time is longer than that of the evaporation coating, and it needs to be cleaned in the end.
3. The glass film of the online vapor deposition coating is hard and thick, and needs to be smoked and cleaned with HF steam first, in order to maintain the clarity of the original glass, and then polished with cerium oxide polishing powder.
4. Other types of coated glass can use the acid leaching method. The acid leaching method needs to control the soaking time and the pulling speed. Finally, clean the glass.
It should be said that the above methods have no damage to the glass
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