Temper Condition: annealed
Chemical composition as per ASTM B393 -99 R04210
         C             0.01%max
         N             0.01%max
         O             0.025%max
         H             0.0015%max
         Zr            0.02%max
         Ta           0.3%max
         Fe           0.01%max
         Si            0.005%max
         W            0.05%max
         Ni            0.005%max
         Mo          0.02%max
         Hf           0.02%max
         Ti            0.03%max
         Al            0.005%max
Physical & Mechanical property :
         Tensile strength  125 MPa min.
         Yield strength     73 MPa min.
         Elongation          20%min 
Size available : 
Niobium ribbon Thickness 0.025 up to 0.50mm x width up to 1mm x coil on spool.
Niobium foil   Thickness 0.1 to 1.0mm x width up to 150mm x R/L. 

Typical size :
Thickness 0.05mm x Width 100(+/-2)mm x Length 500mm for flat,
Thick 0.076mm x Width 5mm x R/L (approx. 500 gram/spool);
Thick 0.082mm x Width 8mm x R/L (approx. 500 gram/spool);
Thick 0.10mm x width 5mm x coil   (approx. 500 gram/spool);
Thick 0.12mm x Width 10mm x R/L (approx. 500 gram/spool);
Thick 0.15mm x Width 12mm x R/L (approx. 500 gram/spool);

Packing : roll in the plastic spool with vacuum container.