Quartz sand

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 .

The material is of good hardness and stable chemical property.

Chemical composition

Grit Size SiO2 Al2O3 Fe2O3 Na2O K2O

0.5-1.2mm 99.8 30ppm 15ppm 10ppm 10ppm

1.3-2.0mm 99.6% 23ppm 15ppm 13ppm 15ppm

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

Physical Index

• Mohs hardness: 7.0
• Bulk density: 1.75g/cm3
• Melting point: 1750°c

Classification

Common silica sand: SiO2:99.0-99.5%

Refined silica sand: SiO2: 99.5-99.7%

High purity silica sand: 99.9%min

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;
• Micropowder is required;
• Other size is available as required

Application

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