Fused silica Lump 1-10cm 1st:SiO2:99.9min;Fe2O3:15ppmmax;K2O:10ppmmax; Na2O:10ppmmax;Al2O3:30ppmmax;Li2O:1.0ppmmax; PH: 5.8 2nd:SiO2:99.8min;Fe2O3:60ppmmax;K2O:30ppmmax; Na2O:30ppmmax;Al2O3:50ppmmax;Li2O:1.0ppmmax; PH:...
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