What is laminated glass?
One of the emerging trends in the architectural industry is the use of laminated glass. A type of safety glass which is considerably better than tempered glass. Laminated glass is produced by combining PVB membrane between 2 or more glass panes then subjected to extreme heat, passing through a furnace then pressurized by putting inside an autoclave.
Because laminated glass uses more than one glass pane, this means you can choose to use one glass to be tempered and the other annealed. You can even choose to use more than two (2) glass panes depending on your application. There are also many types of PVB or the in-between plastic layer. You can choose thicker ones for safety (used in bullet-proof glass) or colored one for aesthetic purposes. Although the cost would be relatively higher, the value you get is worth every money spent.
The lamination process involves melting the PVB, removing trapped air between panes, and allowing the PVB to bond together with the glass. This sounds simple enough, but the machinery involved and time factor is quite high.
Laminated glass when broken remains whole or intact. Glass shards remain glued to the PVB thus bringing no harm to the body. Laminated glass is normally used when there is a possibility of human impact or where the glass could fall if shattered.
Aside from safety, Laminated glass also has excellent thermal stability. With a wide architectural application such as glass curtain wall, windows, and doors, large area roof or balustrade. Laminated glass provides excellent noise reduction because of the PVB. Laminated glass also provides an effective defense against vandalism and violent invasion, Multi-layered laminated glass can also be made bullet-proof or explosion-proof glass.
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