What is insulating glass?
The insulating glass is composed of two or more pieces of glass, the edges of the glasses are supported by spacer bars filled with desiccant, and the ends are bonded with sealant.
The traditional spacer is a hollow frame, which is filled with a desiccant to ensure the drying of the gas chamber and prevent condensation on the inner surface of the glass.
Commonly used spacers include aluminum strips, stainless steel strips, metal-plastic composite strips, butyl rubber composite strips, etc. The latter two are also called warm edge spacers.
The edge of the insulating glass is sealed with double layers. The first layer is butyl glue, which is located between the side of the spacer bar and the glass, which is the most critical seal. The second layer is polysulfide glue or silicone structural glue to fill the end of the spacer bar. between the glass.
The commonly used insulating glass is composed of two pieces of glass and a gas cavity. With the improvement of energy-saving indicators, the multi-cavity insulating glass composed of multiple pieces of glass is gradually popular. In order to easily indicate the position of the Low-E film layer in the insulating glass, the glass surface numbers No. 1, No. 2, No. 3, No. 4, No. 5… are assigned sequentially from the outdoor to the indoor.