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.
Item |
silica sand\powder,quartz sand\powder,micro silica |
Application |
1.Semiconductor, electronic industry 2.Casting, polishing and artificial B2marble 3.Optical, glass, quartz glass instrument,Slabs,Plate 4.Refractory, chemical industry and other special industrial uses 5.Paint, Paint filler 6.B2Epoxy resin pouring material | |