Xuzhou Fengbao Mining Co., Ltd. , with a history of nearly 30 years, is located in Xinyi , Jiangsu , China, where is abundant in quartz(silica) ore. We are specilized in manufacturing and exporting quartz(silica) series products, such as quartz(silica) stone, quartz(silica)sand , Natural Crystal Powder, fused quartz(silica) , fused quartz(silica) powder and Micro-silica Powder .
The details of our products are as followings:
1. Quartz(Silica)Sand
high purity grade: SiO2:99.60%min-99.98%min ; Fe2O3 :1-35ppm Max.; size:2-200 mesh
refined grade: SiO2 :99.50%min-99.90% min ; Fe2O3 : 50-300ppm Max.; size:2-325 mesh
General grade:SiO2 :98.00%min-99.50% min ; Fe2O3 : 400 -1200ppm Max.; size:2-400 mesh
2. Natural Crystal Powder
SiO2:99.90%min-99.99%min , Fe: 5-60ppm; size:10-160 mesh
3. Fused Quartz(Silica)
1st grade: SiO2:99.90% min ; Fe2O3: 30ppm Max..
2nd grade: SiO2:99.80% min; Fe2O3: 60ppm Max..
3rd grade: SiO2:99.0% min ; Fe2O3: 100ppm Max..
4. Quartz(Silica) Stone
special 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.
5. Micro-silica Powder
(1) 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:300 mesh
6.Fused Quartz(Silica) Powder
SiO2:98.0-99.9% Max.; Fe2O3 : 3-180ppm Max.; size:4-600mesh.