... Piston Pump Highly nonreactive,oxide acid-caustic,Tiny thermal expansion. Crystal structure displays zero porosi MaterialPharma-APharma-ZThermal Expansion810Thermal Conductivity352.93Hardness1813Bending Strength400900Ceramic pump ... S, GROENINGER, made in Germany, Italy, America and Japan. *Pharmaceutica: Topicals and parenterals: injectable in vials, ampules ... in process). Cermic Rotary Piston Pump