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, ....

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, ....

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....