Style: 99.95% Tantalum Wire Grade: R05200, R05400, Ta2.5W, Ta10W Standard: ASTM B365 Certification: ... : 2008 99.95% Tantalum Wirewe can supply wires in your ordered sizesIntroduction:Tantalum is dark, dense, ductile, very hard, easily fabricated ... portable telephones, personal computers, and automotive electronics.ASTM B 365 as follows: R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc ...