Ordinary flat glass is also known as window glass. Flat glass has the properties of light transmission, heat insulation, sound insulation, wear resistance, and climate change resistance, and some have the characteristics of heat preservation, heat absorption, and radiation protection, so it is widely used in the doors and windows, walls, and interior decoration of mosaic buildings.
Good flat glass products should have the following characteristics:
1.It is colorless, transparent or slightly light green.
2.The thickness of the glass should be uniform, and the size should be standardized.
3.There are no or few bubbles, stones, corrugated ribs, scratches and other defects.
When the user buys glass, you can first put the two pieces of glass together, so that they coincide with each other, when uncovered, if you make a lot of force, it means that the glass is very flat, in addition, you should carefully observe whether there are bubbles, stones and corrugated ribs, scratches, etc. in the glass, good quality glass is 60 cm away, the back light is observed by the naked eye, no large or concentrated bubbles are allowed, no missing corners or cracks are allowed, and the maximum angle of the glass surface is allowed to see the corrugated ribs and lines should not exceed 45 degrees; Scratch sand grains should be less than that. If the glass is stored in a humid place for a long time, a layer of white puff will be formed on the surface, which will greatly reduce the transparency of the glass, so you should pay attention to it when selecting.