The high purity silica sand is processed from the quality silica ( or quartz) stone, have a high purity of SiO2, a low inpurity content, which as raw materials of optical glass, refractory, metallurgy....
Xuzhou Fengbao Mining Co., Ltd is a large joint-venture enterprise specialized in series silica products, which has its own export right 30 years relative experience. It is located in XinYi city....
The high purity silica sand is processed from the quality silica( or quartz ) stone, have a high purity of SiO2, a low inpurity content, which as raw materials of optical glass, refractory, metallurgy....
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 ; ....