Tantalum features high melting point , low vapor pressure , good cold processability ,excellent chemical stability , good resistance to corrosion , high dielectric constant ,in surface oxide film .widely used in many industries such as electronics ,metallurgy, chemical processing , hard alloy cutters , aerospace and aviation.1.ASTM B 365-98 R05255 2.Size:Dia3mm(min) 3.Purity:99.95%min 4.Best price+High quality+prompt delivery
