Tips for purchasing hollow glass - How to clean hollow glass?
3. Coating - composite sheet - glue coating
composite sheet is the middle ring of the making of double hollow glass, and the coating of butyl glue in front of the sheet determines the comprehensive quality of the hollow glass. Therefore, the production process should be strictly controlled during production, eliminate leakage, glue breakage and neglect of sealing, and must not have any hidden dangers of air leakage. When the first tube is sealed and the second sealant is applied after the sheet is combined, the two components should be mixed in a reasonable manner according to the manufacturer's regulations, and the glue is applied accurately to avoid undergluing and multiple glues, and the last process of making double-channel hollow glass is successfully completed. If there is a gap between the two sealant, it will cause air leakage. At the same time, you should pay attention to applying a second sealant that is too thin. After installation and use for a period of time, the sealant will form cracks (even if there are extremely small cracks), and the water vapor may slowly enter the glue layer, forming atomization, losing its sealing ability and losing its sealing effect. The double-channel hollow glass made of
requires about one week to park, so that the double-channel hollow glass sealant has sufficient time to chemically bond and achieve the optimal sealing state. If the parking period is too short and the sealant does not have sufficient time to bond, the sealing effect of the sealant will be greatly reduced after transportation, vibration, sun exposure, especially rain, and in severe cases, atomization will occur in a short time.
