T9-9021-D
Tungsten-Silicon - W-Si, Available in various ratios wt% or at%, Purity 99.9%
Tungsten-Chromium-Titanium W-Cr-Ti, Available in various ratios wt% or at%, Purity 99.9%
Tungsten oxide-Silicon WO3-Si, Available in various ratios wt% or at%, Purity 99.95%