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Laminated glass is constructed of two plies of glass which are bonded together with interlayers to form a permanent bond.
The interlayers work to support and hold the glass to create a strong, uniformed layer even when broken.
The glass undergoes several heating and cooling stages to create a permanent internal stress on the outer surfaces of the glass. This will make the glass stronger and will make it shatter in small pieces.
PVB is the most common interlayer used around the world in laminated glass. Its optical clarity, flexibility and ability to adhere to many surfaces make it a primary interlayer for glass manufacturers. But UV-blocking layers and many other layers are also possible.
The nomenclature for laminated glass describes its build-up by considering the number and thickness of the glass panes used and the thickness of the interlayers. Laminated glass 33.2 => 2 glasspanes of 3mm + 2 interlayers of 0,38mm = 0,76mm.
Under sufficient impact force, laminated glass will break. Glass fragments tend to adhere to the plastic interlayer and remain largely intact, reducing the risk of injury. This is particularly important when there is a risk of broken glass falling from high-rise buildings, roof glazing, canopies and skylights.
Laminated glass can absorb up to 99% of the damaging UV rays. Acoustic laminated glass adds noise reduction to other benefits of laminated glass, helping to reduce noise levels so that people can be more comfortable in their living and work spaces.