1. Is it unqualified to have bubbles in the cup?
1, glass manufacturing, in some cases, requires high-temperature treatment, so a large number of bubbles will be generated. In order to accelerate the discharge of bubbles, high-temperature solutes will be used or the pressure in the furnace will be reduced to facilitate the discharge of bubbles.
2, but sometimes there will be residual bubbles, even after all the bubbles are discharged, when the temperature rises, secondary bubbles will be generated and distributed around the glass.
This kind of glass with bubbles cannot be exiled to the market, because it is an unqualified product, which will not only affect the appearance. If there are bubbles in the vacuum glass, it is an unqualified product, which will seriously affect the noise reduction effect.
Second, the causes of bubbles in insulating glass
1, when making insulating glass, we need to add a substance to the raw material, and then a reaction will take place, and gas will be generated during this reaction.
2. In addition, when sealing, some small molecular cells are not discharged in time due to the relatively fast solidification time, so there will be some bubbles inside the insulating glass. Be sure to pay attention to the construction environment when making, and also check the time of sealant.
3. When installing glass, sealant should be used, and the sealant should be extruded with sizing agent. If there is air leakage, that is to say, when gluing, air is squeezed into the glass glue, which will lead to insufficient sealing and bubbles.
4. Another reason is that irregular construction will also cause bubbles. Glue must be applied with proper strength, otherwise the glue will break unevenly and produce bubbles.
Bian Xiao concluded that bubbles are produced in glass, which is an unqualified product, because it will cause some irregular textures on the surface, which will affect the appearance. At the same time, if it is hollow glass, it will also lead to poor sealing and poor sound insulation effect.