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xĥϵһNX(Al2O3)99%Fȳɷʰɫ ɰÑҪMмӹ̖ͨF4-F220仯WɷҕȴСͬͻcǾwߴС͛_...

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Al2O3 SiO2 Fe2O3 Na2O3 Ɯp
һ 98.6 0.02 0.03 0.5 0.8
98.5 0.04 0.04 0.5 0.8
98.4 0.06 0.04 0.6 0.8
ļ 98.3 0.08 0.05 0.6 0.8
98.2 0.08 0.05 0.6 1.0
97.8 0.10 0.06 0.7 1.2
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