We are XUZHOU FENGBAO MINING CO.,LTD, located in north Jiangsu Province where is rich in Minerals, esp. Quartz ore.We can provide the followin Xuzhou Fengbao Mining Co., Ltd. ,former Xuzhou Fengbao Quartz Powder Co., Ltd, with a history of nearly 30 years, is g products: silica sand, high purity quartz sand ,natural quartz powder, fused quartz, quartz  in lump, micro-silica powder
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 Fe