... is very hard 3,use in tube electrode rectifier electrolytic capacitor 1,Tantalum rods-Ta, Ta-2.5W, Ta-10W, Ta-40NbGrade ... ,Applications: For rare-earth metallurgy, load plates for anodes of tantalum and niobiumelectrolytic capacitors sintered at high temperatures and corrosion resistantcontainers ... be agreed upon by the supplier and buyer Rare Metal Tantalum Product