Laminated glass is a type of safety glass that holds together when shattered. In the event of breaking, it is held together by an interlayer, typically of polyvinyl butyral (PVB), between its two or more layers. The interlayer keeps the layers of glass bonded even when broken and its high strength prevents the glass from breaking up into large sharp pieces. This produces a “spider web" cracking pattern.
Laminated glass is normally used when there is a possibility of human impact or where the glass could fall if shattered. The principal feature of laminated glass is its safety performance, achieving its BS 6206 mark, but is also used for walk-on glass products, bullet, ballistic and fire resistant.
Toughened laminated glass is four to five times stronger than standard float glass of the same thickness. If one of the toughened glass panes does happen to break not only will there be no falling glass particles but the additional toughened glass pane and the interlayer will provide an extra barrier to prevent injury
We use different types of interlayer: EVA, PVB, SGP.
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