Brand:Hongda
Model:HD-1513
MOQ:-0 -
Silica sand/quartz sand
Silica is a milkwhite or translucent silicate minerals which is hard,wear resistant and stable, the main ingredient
of which is silicon dioxide. Most silica sand is made up of broken down quartz crystals. Silica is another name
for silicon dioxide, SiO2, of which quartz is a specific latticed structure.
Size
Used in water treatment: 0.5-1.0mm 0.6-1.2mm 1-2mm 2-4mm 4-8mm 8-16mm 16-32mm
Used in industrial casting: 20-40mesh, 40-70mesh , 50-100mesh, 80-120mesh
Used for rust removal: 1-2mm, 1-3mm
| Item | Test data | Item | Test data |
| SiO2 | ≥96% | Mohs hardness | 7.5 |
| Crushing rate | <0.35% | Density | 2.66g/cm3 |
| Wear rate | <0.3% | Bulk density | 1.75g/cm3 |
| Porosity | 45% | Boiling point | 2550℃ |
| Hydrochloric acid dissolving rate | 0.2% | Melting point | 1480℃ |



