详细信息
1.石英砂 QUARTZ SANDS 高纯硅砂 high purity grade:SiO2:99.95%min- 99.8%min Fe2O3:3ppm max-30ppm max, size:2- 200 mesh 精制硅砂deliberated grade:SiO2:99.8%min-99.0% min Fe2O3:50ppm max-0.03% max, size:2-325 mesh 2.天然水晶粉 NATURAL CRYSTAL POWDER SiO2:99.90%min-99.99%min , size:2-300 mesh 3.硅微粉 MICRO-SILICA POWDER SiO2:99.5%min-99.0% min, Fe2O3:0.02% max,Al2O3:0.3% max, size:200-800 mesh