... crystals or powder, density 8.2 g/cm3. Mp 1785 °C. Insoluble in water, soluble in ethanol, acid, hydrofluoric acid. Both ... sexes oxides, the chemical stability, 2500 °C and 5.0 X105Pa didn't be H2 reduction, tantalum ... Ta rodMaterial for Ta carbide Our company Fogang Jiata Metals Co., Ltd was specialized in the production of Ta2O5, Nb2O5 and K2TaF7 ...