Physicalproperty Material state: solid Melting point: 3017°C Boiling point: 5458°C Molar volume: 10.85Ã?10-6m3/mol Heat of vaporization: 743 kJ/mol Melting heat: 31.6kJ/mol Vapor pressure: 0.776 Pa Sound velocity: 3400m/s Name Size Purity Ta wire Φ0.5mm3.0mm 99.9%99.99%99.995%99.999% Ta granule 1mm--10mm 99.9%99.99%99.995%99.999% Ta tablet T0.10mmT2mm. 99.9%99.99%99.995%99.999% Ta powder 10-25mm1-5um 99.9%99.99% Ta powder -200-325mesh 99.9%99.99%
