
Electronic Grade:Hf02≥99.9% ,Zr02/(Hf02+Zr02)≤0.002%
1 Grade Hf Oxide:Hf02≥99% ,Zr02/(Hf02+Zr02)≤0.2%
2 Grade Hf Oxide:Hf02≥99% ,Zr02/(Hf02+Zr02)≤0.5%
3 Grade Hf Oxide:Hf02≥98% ,Zr02/(Hf02+Zr02)≤1%
4 Grade Hf Oxide:Hf02≥97% ,Zr02/(Hf02+Zr02)≤3%

Nuclear Grade Zr Oxide:Zr02≥98.5%,Hf02/ (Hf02+Zr02)≤0.005%

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