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Ceramic Sand
Ceramic foundry sand called China Cerabeads, ceramsite sand ,china Cerabeads and cerasand too, is made from high quality bauxite, by re-fused and blown to ball type. With advantage of fine surface smooth finish and air permeability, it is a new type casting material for precision casting, coated sand and self hardening sand etc.
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- PRODUCTS
- WHITE FUSED ALUMINA
- BROWN FUSED ALUMINA
- SILICON CARBIDE
- CHROMITE SAND
- CERAMIC SAND
- GARNET SAND
- TABULAR ALUMINA
- BLACK FUSED ALUMINA
- ZIRCONIA FUSED ALUMINA
- GLASS BEADS
- BORON CARBIDE
- OTHER
- PRECIPITATED SILICA
- ZIRCON SAND
- IRON POWDER
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Properties
Chemical data
|
Al2O3 |
70-85% |
|
SiO2 |
5-15% |
|
Fe2O3 |
5%max |
|
TiO2 |
5%max |
|
MgO |
0.5%max |
|
K2O |
0.5%max |
|
CaO |
0.5%max |
Physical
|
Grain shape |
Perfect round ball shape |
Loose Bulk Density |
1.9 – 2.1 g/cm3 |
|
Color |
Brown-Black |
Refractoriness |
2050℃ |
|
Angle index |
1 .1 max |
Liner thermal expansion |
(200℃ - 1000℃) 5×10-6/℃ |
|
Size rang |
0.053-3.36mm |
|
|
Application
- Widely used in foundry technique like resinbonded sand, sodium silicate sand, and clay-bonded sand for sand core and casting mould making
- Replace chromite sand and widely used in sand core making like jacket core, oil duct core, tappet core of engine
- Replace chromite sand for steel casting facing sand and sub-layer of molding sand (backing sand)
- Widely used as dry sand and sand box for EPC process and V method of casting processes
- Widely used as the main raw materials of advanced refractory products (Ladle drainage sand,gravity casting material, casting coating, etc.)
- Widely used as cleaning sand for copper and aluminum alloy castings
