[China Glass Net] Identification of False Hollow and True Hollow According to experts, regular glass doors and windows must be sealed with two sealing strips, vacuumed in the middle, and filled with inert gas. Such a structure makes the true insulating glass door and window have good sound insulation performance. However, there are so many people in the market who are afraid that they are vacuum glass doors and windows. Do you really distinguish them?
Consumers can identify fake "hollow" and true hollow from the following three aspects when purchasing.
First, is the glass sealed. Many of the fake glass doors and windows are bonded with black PVC foam strips and have no sealing effect. The true insulating glass doors and windows are bonded to the glass with a special sealing strip to ensure sealing.
Secondly, there is an aluminum spacer between the two glass of true insulating glass. There are many venting holes on the aluminum spacer. The desiccant is placed inside, which can absorb the moisture in the gas and prevent the fog and the fog from appearing after the glass door and window are heated. Phenomenon, while fake "hollow" glass does not have these devices.
Later, the sound insulation effect of doors and windows was tested in the field. The sound insulation effect of the true hollow glass doors and windows is very good, and the sound insulation effect of the fake "hollow" doors and windows is very general.
Distinguishing the quality of profiles, high-quality insulating glass doors and windows use high-quality profiles, such as the well-known conch profiles and green profiles in China, while the inferior hollow glass doors and windows use low-grade profiles, and some even the secondary recycling profiles with moving hands and feet. (Appearance of a well-known profile film, shoddy).
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