99.5% pure niobium bars

Niobium rod Niobium bar:Material: RO4200-1, RO4210-2Size: Dia3~120mmStandard: As per ASTM B392-98Purity: >=99.9% or 99.95%Our Advantage1. Competitive price. 2. Our strengths over other suppliers.3. Reliable quality on the base of the same price.4. Timely delivery as your requirements.5. Professional service to cut much purchasing costs down.