PZT-4 datasheet What's PZT-4 datasheet? PZT-4 is a kind of hard piezo material. Every companies named it different model. PZT-4 is also called navy I. In He Shuai company's model PZT-45 or PZT-47 are both P4 series material. Datasheet as below: [table id=26 /] Contact us today