... with ISO certificate 4.Made-to-order service available High purity tantalum wire 99.95% ASTM B365 1. Standard: ... ASTM B365; Grade: R05200, R05255, R05252, R05240 2. Purity :> =99.95%3. Characteristic: Melting Point:2996°C Boiling ... Density: 16.68g/cm3 High quality, workability4. Certificate: ISO90015. Product Feature: High melting point, High density, high temperature oxidation resistance, long ...