Sell Sell Microsilica Powder

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Microsilica Powder

(1) SiO2: 99.90%min; Fe2O3: 10ppm Max. ; Al2O3 :50ppm Max; size:300 mesh

(2) SiO2:99.80%min; Fe2O3: 50ppm Max. ; Al2O3 :50ppm Max; size:400 mesh

(3) SiO2:99.70%min; Fe2O3:100ppm Max. ; Al2O3 :60ppm Max; size :600 mesh