Laminated glass is also known as safety glass. As the name suggests, laminated glass is composed of multiple layers of glass. Except for the glass, the interlayer in the middle of the glass. Usually there are three kinds of interlayers: EVA, PVB, SGP. PVB PVB is a widely used sandwich material for architectural glass and automotive glass. The storage process and processing method of PVB interlayer is more complicated than EVA, and the requirements for temperature and humidity are high….