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氧化铍含量assay ≥99.5% 氧化物总杂质 ≤0.5% (Mn, Ni, Fe, Ca, Si, Mg, Cu, Al, Zn, Cr, Na) 容积密度 g/cc, ≥0.5 表比 m2/g ≥0.6-1.5 B ≤0.0001% Cd ≤0.00015 % Li ≤0.0007% Mn ≤0.0036 % Ni ≤0.036 % Fe ≤0.06% Ca ≤0.05 % Si ≤0.06 % Mg ≤0.06% Cu ≤0.0036 % Al ≤0.1 % Zn ≤0.036% Cr ≤0.009% Na ≤0.036 %
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