Hollow glass windows and doors now on the market more and more popular, has gradually become the new darling of the eyes of consumers. Hollow glass windows and doors category in the market now is more and more variety, a wide variety of glass doors and windows to let people see the dazzling, hollow glass doors how to tell, it is also the moment to be resolved. Since hollow glass windows and doors on the market more and more people's attention, and was followed by imitation hollow glass windows and doors made of fake hollow glass windows and doors. Let's take a look at how to tell hollow glass windows and doors. Hollow glass windows and doors How to Tell regular hollow glass windows and doors, the first two pieces of glass sealed with sealing tape, and then the middle evacuated, and then fill in inert gas. Such a structure makes real hollow glass doors and windows with good sound insulation properties. However, many hollow glass windows and doors cheap inferior only with a simple two glass be glued together, and not through the above described processing, so there is no specific kind of hollow glass sound insulation. The first is to see whether or not the glass seal. Many false hollow glass windows and doors two glass is carried out with a black PVC foam adhesive strip and no sealing effect. And really hollow glass windows and doors are sealed with a special adhesive tape glass, can guarantee seal. Hazy after there will be a true hollow glass aluminum between two pieces of glass gutter, aluminum gutter there are many holes, which are placed on the desiccant can absorb some of the water in the gas, to prevent the glass doors and heated phenomenon, but leave insulating glass does not have these devices. Profiles to identify high-quality insulating glass windows and doors using a high-profile, such as the more well-known domestic conch, Green profiles, etc., while the poor insulating glass windows and doors using a low profile, are secondary recovery profiles. High-profile surface looks smooth and delicate, smooth and clean, uniform color, no cracks, bubbles, welding welding phenomenon does not break off, hard enough thickness, with a hammer hitting the surface profile does not appear broken. The poor color profiles uneven bubbles impurities, percussion will be broken with a hammer, even Yong Shounie will be deformed. Website: http: //www.zzhxmc.cn/ Zhengzhou factory doors and windows, balconies closed Zhengzhou, Zhengzhou bridge Cailv doors processing installation http://www.zzglygf.com/ Zhengzhou sun room, closed balcony Zhengzhou, Zhengzhou bridge Cailv closed balcony | Price Zhengzhou factory doors and windows, sun room installed in Henan, Henan bridge Cailv doors, closed balcony Zhengzhou, Henan factory doors and windows, installation of windows and doors processing Cailv bridge Zhengzhou, Zhengzhou sun room, Zhengzhou bridge Cailv closed balcony, closed balcony installation Zhengzhou, Zhengzhou bridge closed balcony Cailv price, sun room installed in Henan, Zhengzhou bridge Cailv doors and windows processing, Zhengzhou sun room installed, Henan bridge Cailv doors and windows processing, Zhengzhou sun room processing, Henan off Bridge Cailv windows prices, Zhengzhou doors and windows processing, color aluminum doors and windows broken bridge price Zhengzhou, Zhengzhou closed balcony installation, Henan sun room, sun room prices Henan, Henan sun room installation