XUZHOU FENGBAO MINING CO. LTD. - Jiangsu, China

The details of our products are as followings:1. Quartz(Silica)Sandhigh purity grade: SiO2:99.60%min-99.98%min ; Fe2O3 :1-35ppm Max.; size:2-200 meshrefined grade: SiO2 :99.50%min-99.90% min ; Fe2O3 : 50-300ppm Max.; size:2-325 meshGeneral grade:SiO2 :98.00%min-99.50% min ; Fe2O3 : 400 -1200ppm Max.; size:2-400 mesh2. Quartz(Silica) Stonespecial grade: SiO2:99.96%min; Fe2O3: 40ppm Max.1st grade: SiO2:99.90%min; Fe2O3: 40ppm Max.2nd grade: SiO2:99.80%min; Fe2O3:100ppm Max.3rd grade: SiO2:99.60%min; Fe2O3:300ppm Max.3. Fused Quartz(Silica)1st grade: SiO2:99.9% min ; Fe2O3: 30ppm Max..2nd grade: SiO2:98.0% min; Fe2O3: 60ppm Max..3rd grade: SiO2:97.0% min ; Fe2O3: 100ppm Max..4.Fused Quartz(Silica) PowderSiO2:98.0-99.9% Max.; Fe2O3 : 3-180ppm Max.; size:4-600mesh.5. Micro-silica Powder(1)  

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SiO2:99.90%min; Fe2O3: 8ppm Max.; Al2O3 :50ppm Max; size:300 mesh(2) SiO2:99.80%min; Fe2O3: 8ppm Max.;Al2O3 :50ppm Max;size:400 mesh(3) SiO2:99.70%min; Fe2O3:9ppm Max.;Al2O3 :60ppm Max; size :600 mesh(4) SiO2:99.60%min; Fe2O3:30ppm Max.;Al2O3 :200ppm Max;size:800 mesh