Product Description

it is made from refined quartz sand after high temperature melting, urgent cooling, crushing, and hand classification.SiO2 min*9.*8%, Fe2O3 max0.**2%, .the first grade product is transparent with a little ***** can be crushed into sand and powder as required. specification: ***0mm, 0.**0.2mm, 0.**0.1mm. the specfication can be done as your require. MinSiO2（%）, *9.8, *9.8, *9.8, *9.8, *9.8, *9.7, *9.7 MaxAl2O3（PPM）, **0, **0, **0，**0，**0，**0, **0 MaxFe2O3（PPM), *0, *0, *0, *0, *0, *0, **0 MaxNa2O（PPM), *0, *0, *0, *0, *0, *0, *0 MaxK2O(PPM）, *0, *0, *0, *0, *0, *0, *0 MaxFe3+(PPM), 5, 5, *0, *0, *0, *0, *0