电子级氧化铪:Hf02≥99.9% ,Zr02/(Hf02+Zr02)≤0.002%1级氧化铪:Hf02≥99% ,Zr02/(Hf02+Zr02)≤0.2%2级氧化铪:Hf02≥99% ,Zr02/(Hf02+Zr02)≤0.5%3级氧化铪:Hf02≥98% ,Zr02/(Hf02+Zr02)≤1%4级氧化铪:Hf02≥97% ,Zr02/(Hf02+Zr02)=1~3%
核级氧化锆:Zr02≥98.5%,Hf02/ (Hf02+Zr02)≤0.005%