quartz sand 

Common silica sand: SiO2:99.0-99.5% 
Refined silica sand: SiO2: 99.5-99.7% 
High purity silica sand: 99.9%min

Quartz sand

1.Specification

The silica sand is processed from high grade silica stone, which is of high content of SiO2: 99.0%. Through high temperature selecting, fusing, cooling and drying,finally got the high purity product .

2. The material is of good hardness and stable chemical property.

3. Chemical composition

Grit Size        SiO2        Al2O3       Fe2O3         Na2O       K2O

0.5-1.3mm       99.8        30ppm       15ppm         10ppm      10ppm

2.5mm          99.6%       23ppm      15ppm         13ppm       15ppm

60-120mesh      99.5%       28ppm      15ppm         15ppm       5ppm

4. Physical Index

Mohs hardness: 7.0

Bulk density: 1.75 g/cm3

Melting point: 1750°c

5. Classification

Common silica sand: SiO2:99.0-99.5%

Refined silica sand: SiO2: 99.5-99.7%

High purity silica sand: 99.9%min

6. Size available

8-12mesh,20-40mesh,30-80mesh,100mesh,200mesh,325mesh;

0.01-0.05mm,0.5-1.0mm,1-3mm,5-8mm,6-10mm;

7. Application 

The mineral is widely used for producing optical glass, refractory material and metallurgy, foundry ,ceramic industry and abrasives.