Laminated glass is a type of safety glass that holds together
when shatered. In the event of breaking, it is held in place by an
interlayer, typically of
PVB, between its two or more layers of glass. 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 characteristic "spider web" cracking pattern when the impact is not enough to completely pierce the glass.
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