Casting ceramic sand AFS30 AFS35 AFS40 AFS45 AFS50
Casting ceramic sand AFS30 AFS35 AFS40 AFS45 AFS50
Ceramic Foundry Sand is a corundum based casting sand. It is produced from fusing bauxite material. As a spherical casting sand, the ceramic beads get excellent flowability, low angularity. That is helpful to improve the casting quality and surface quality.
Characters:
- Low thermal expansion coefficient and low expansion rate. That is key factor that ceramic casting sand to make precise size castings.
- Good flowability can make the sand fill the mold easier.
- High strength with goods compressive strength and bending strength.
- Chemically neutral material.
- higher refractoriness than silica sand.
- Recyclable.
- Low bulk density than chromite sand. Save resin consumption for RCS casting.
- Good thermal conductivity.
- Chemical stability.
TYPICAL CHEMICAL ANALYSIS
|
AL2O3 |
70-75% |
|
SiO2 |
8-20% |
|
Fe2O3 |
≤3% |
|
TiO2 |
≤3.5% |
|
CaO |
≤0.45% |
|
MgO |
≤0.35% |
|
K2O |
≤0.33% |
|
Na2O |
≤0.08% |
TYPICAL PHYSICAL PROPERTIES:
|
Refractoriness |
≥1800 ℃ |
|
Specific gravity: |
|
|
Bulk density(LPD): |
|
|
Color: |
black brown |
|
Grit shape: |
spherical Ball |
|
Thermal expansion coefficient |
6x10-6 /℃(20-1000℃) |
|
Thermal conductivity |
|
|
Thermal expansion ratio |
|
|
Angularity |
≤1.1 |
Available sizes
AFS15-20,AFS15-25,AFS25-35,AFS25-30,AFS30-35,AFS35-40,AFS40-45,AFS45-50,AFS40-50,AFS50-55,AFS55-60,AFS60-65 Customized sizes are available upon request
Sizes for different casting applications：
|
Applications |
AFS SIZE |
|
Foundry sand for Lost foam |
AFS15, AFS20, AFS25 |
|
Filler sand |
AFS30, AFS35, AFS40 |
|
No bake sand including furan resin /alkaline-phenolic resin molding and core making/ Pep set /Sodium-silicate bonded sand |
AFS35, AFS40, AFS45, AFS50, AFS55, AFS60, etc. |
|
Shell molding, resin coated sand casting |
AFS55, AFS60, AFS65, AFS70, AFS80, AFS90, AFS100, AFS110, etc. |
|
Lost foam casting coating |
AFS70, AFS80, AFS90, AFS110, etc. |
|
Molding sand alcohol-based coating |
AFS SIZE |
|
3D printing, precision casting, investment casting |
AFS70, AFS80, AFS90, AFS110, etc. |
Applications:
- Raw material for ladle filler sand
- Shell molding casting.
- No-bake sand casting.
- Precision Casting
- Lost foam casting
- Resin coated sand casting
- Vacuum casting
- Investment casting
- Sand casting.
Send product request
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