fused silica (013805125893) 9/1/2005
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...
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