|
|
| The quartz sand( powder) mainly
used fors the glass, porcelain and ceramics, enamel ware, hot
bottle , sodium silicates, cast, building materials, grind,
fire-proof, the profession's main raw material of work, communication
etc. . |
 |
A.Refined quartz sand and common quartz sand:
|
Composition（%）
|
SiO2
|
Al2O3
|
Fe2O3
|
Impurity
|
|
99.5
|
<0.22
|
<0.02
|
Minim
|
|
Granularity（%）
|
>1mm
|
>0.71mm
|
0.71-0.105mm
|
<0.105mm
|
|
0
|
<0.5
|
>90
|
Minim
|
B.Specially made quartz powder:Primarily used for the production
the optical glass, high class the sheet glass, high class glassware,
etc. |
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