Specifications Model Number: D-210 Outer Diameter (φmm) 110 Capacity (ml): 210 Special Length Chemical Composition: SiO2/34.85%, Al2O3/59.40%, Fe2O3/0.39%, TiO2/0.13%, CaO/0.1%, MgO/0.1%, K. 2O/4. 18%, Na2O/0.84%, Heat Resistance: 222°F (1,100°C).