Silica Sand, Silica Stone, Fused Silica Powder, Quartz Tube

Our company is a major manufacturer of silica (quartz) products such as high purity silica sand (http://maplered.com) , silica powder, micro-silica powder, (crystal)powder and (http://maplered.com) fused silica lump and (http://maplered.com) powder, etc. These products are widely used as Material (http://g654.org) s for(optic)glass, optical fiber, electrical, electronic, semiconductor, epoxy molding compound(emc), paint, coating, ceramic, chemical, building, foundry, precision casting, refractory and (http://maplered.com) abrasives industries etc.
The detail specification as follows:
1. Quartz sand (http://maplered.com) s (silica sand (http://maplered.com) s)
High purity grade: Sio2:99.95%min-99.8%min fe2o3:3ppm max-30ppm max, size:2-200 mesh high purity silica sand (http://maplered.com) , quartz Stone (http://g603.net)
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:200-800 mesh
6. Fused quartz powder
Sio2:99.9%max, fe2o3:50ppm max, size:2-2000 mesh