Laminated glass has plastic layers sandwiched between glass layers. Because of the plastic sheeting, it tends not to break, but be punctured under force. High impact is needed to defeat laminated glass, and fragmentation and spalling can occur which send small flakes and powdered glass inward.
To find out whether your car has tempered or laminated side windows, read the label in the bottom corner the window, or check directly with the manufacturer. Make sure to check every window, as it's common for at least one side window to be made from breakable tempered glass
The PVB keeps the glass from breaking apart easily and provides high sound insulation. Laminated glass will flex before shattering. Laminated glass is strong but not as strong as tempered glass. Also, laminated glass blocks nearly 99 percent of ultraviolet light transmission.
One of the biggest benefits of laminated glass is that if it does break, the broken glass will stick to the plastic rather than falling to the floor. Common uses of laminated glass: Skylights.
Tempered glass is very safe, but if somehow broken, still results in loose pieces of broken glass. Although dull, these can still be a hassle. Laminated safety glass keeps those pieces of glass safely in place. Laminated safety glass is crafted by adhering two pieces of annealed glass together by a vinyl layer (EVA).