Company description
Xuzhou Fengbao Mining Co., Ltd. Our company is a major manufacturer of silica (quartz) products such as high purity silica sand , silica powder ,micro-silica powder,(crystal)powder and fused silica lump and powder, etc. These products are widely used as materials for(optic)glass, optical fiber, electrical, electronic, semiconductor, Epoxy Molding Compound(EMC),paint, coating, ceramic, chemical, building, foundry, precision casting, refractory and abrasives industries etc.
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 high purity silica sand, quartz stone
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: 2-325 mesh
Contact: Ms Jiling Yin
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