USB Camera Module Cable Video Converter Cable Barium Titanate Ceramic (Lead-Free) (BaTiO3)  BT Ceramic Material ( (BaTiO3))  Ring Type  Disk Type PZT Ceramic Products > Barium Titanate Ceramic (Lead-Free) (BaTiO3) > Ring Type Ring Type for Fishing Transducer Ring Type (BT Ceramic BaTiO3) BT Ceramic Material     * Barium titanate      * Lead-Free Piezoelectric Ceramic      * BaTiO3  Fishing Transducer / 200KHz Overview: Go Top Go Top