Sell Sell Fused Quartz (silica) Powder

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. Fused Quartz (Silica) Powder
1st grade: SiO2: 99.9% min; Fe2O3: 30ppm Max. 4-2000mesh as per buyer's spec.

2nd grade: SiO2: 99.8% min; Fe2O3: 60ppm Max. 4-2000mesh as per buyer's spec.

3rd grade: SiO2: 99.7% min; Fe2O3: 100ppm Max. 4-2000mesh as per buyer's spec.

4rd grade SiO2: 99.5-99.6% min; Fe2O3: 150-300ppm Max.4-2000mesh as per buyer's spec.