... , tantalum, the tantalum carbide, general ceramics, piezoelectric ceramics and ceramic capacitor 1. Molecular Formula: Ta2O5 2. Molecular Weight ... Both sexes oxides, the chemical stability, 2500 °C and 5.0 X105Pa didn't be H2 reduction, tantalum ... optical glass etc, also used as a benchmark reagents, catalyst and spectral blood coagulant. Widely used in the electronics industry, chemical industry, ...