Xuzhou Fengbao Mining Co., Ltd., Which has its own export right and which has a history of nearly 30 years, is located in north Jiangsu Province where is rich in Minerals, esp. Quartz ore. We can manufacture the following products: silica sand, high purity quartz sand ,natural quartz powder, fused quartz, quartz in lump, micro-silica powder
The detail specification as follows:
1.QUARTZ SANDS (SILICA SANDS)
high purity grade:SiO2:99.95%min-99.8%min Fe2O3:3ppm max-30ppm max, size:2-200 mesh
deliberated grade:SiO2:99.8%min-99.0%min Fe2O3:50ppm max-0.03% max, size:2-325 mesh
2.NATURAL CRYSTAL POWDER
SiO2:99.90%min-99.99%min , size:2-300 mesh
3.FUSED QUARTZ INGOT
SiO2:99.9%min Fe2O3:50ppm max,Al2O3:0.03% max, size:5-100 mesh
4.QUARTZ IN LUMP
special grade:SiO2:99.9%min,
1st grade:SiO2:99.8%min Fe2O3:0.004%max
2nd grade:SiO2:99.7%min,Fe2O3:0.008%min
3rd grade:SiO2:99.5%min Fe2O3:0.03%min.
5.MICRO-SILICA POWDER
SiO2:99.5%min-99.0% min, Fe2O3:0.02%max,Al2O3:0.3% max, size:200-