進(jìn)口石英砂,發(fā)集裝箱到國(guó)內(nèi)碼頭,硅99.9%,鐵<120PPM
硅>98%,鐵0.02%
半透精砂#板材砂#濾料#填充料8-16 16-26 26-40 40-70 70-120
硅>97%
硅99.86%,鋁0.03%,鐵0.003%
硅99.886%,未酸洗,只做了磁選,未烘干
硅99.50%,鐵0.019%,燒白96.6