... powder shape, white or light yellow 4. Tantalum oxide, white three party crystals or powder, density ... 5.0 X105Pa didn't be H2 reduction, tantalum carbide, the hydride, nitrides in air oxidation ... the preparation of metal Ta, alloy and other tantalum capacitors, salt, optical glass etc, also used ... 0.3≤ 0.4ApplicationMaterial for capacitor, or tantalum powder.Material for Ta rodMaterial for Ta carbide ...