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1.ʯӢɰ QUARTZ SANDS
¸ß´¿¹èÉ° high purity grade:SiO2:99.95%min-99.8%min Fe2O3:3ppm max-30ppm max, size:2-200 mesh
¾«ÖƹèÉ°deliberated grade:SiO2:99.8%min-99.0%min Fe2O3:50ppm max-0.03% max, size:2-325 mesh
2.ÌìȻˮ¾§·Û NATURAL CRYSTAL POWDER
SiO2:99.90%min-99.99%min , size:2-300 mesh
3.¹è΢·Û MICRO-SILICA POWDER
SiO2:99.5%min-99.0% min, Fe2O3:0.02%max,Al2O3:0.3% max, size:200-800