Further refined from electrolytic chromium metal via vacuum degassing, zone melting and electron beam refining, divided into two series: Electrolytic High-Purity Chromium (GHCr Series) and Vacuum Carbon-Reduced High-Purity Chromium (GCCr Series). Available forms include high-purity chromium lumps, granules, ultra-fine chromium powder and sputtering target blanks, with purity ranging from 99.85% to 99.99%.
GHCr-1 / GHCr-2 Electrolytic High-Purity Chromium: Cr ≥ 99.99%. Trace amounts of Fe, Si, Al and heavy metal impurities; oxygen content ≤ 0.02%, suitable for semiconductors and optical coating.
GCCr-0 / GCCr-1 Carbon-Reduced High-Purity Chromium: Cr ≥ 99.90%, ultra-low sulfur, nitrogen and carbon with minimal gas impurities, applicable to high-temperature vacuum smelting and nuclear industrial special alloys.
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