Ceramic sand for Ladle filler sand

Cermic sand 30 mesh is a good material as ladle filler sand with good high-temperature resistance. In the meantime, for its spherical shape, ceramic sand could recycle used for up to 10 times. Instead of silica sand in traditional lost foam casting(green sand casting), ceramic is a cost-effective sand which is also environment friendly and better for the operator’s health.

Size for Ladle filler sand ceramic sand:

30 Mesh

Casting Ceramic Sand characteristics:

1. Low thermal expansion coefficient
1. Spherical shape, good flowability, easy to shakeout
2. Smooth surface, compact structure
3. Chemically neutral material
4. High-temperature resistance, good refractoriness
5. Recycle up to 10 times, highly cost-effective.
6. Save resin consumption with casting tech such as shell molding, Resin coated sand casting, Vacuum casting, etc.

Performance comparison of ceramic foundry sand, Chromite sand, and Zircon Sand:

Indexceramic foundry sandChromite sandZircon Sand
PH  value7.654.568.24
Bulk Density(g/cm3)1.95-2.052.9-3.12.6-2.7
True density(g/cm3)3.44.4-4.713.9-4.8
ShapeSphericalIrregularIrregular
Amount of binder3%—-4%7%—-8%7%—8%
(Waterglass+CO2hardening)
TYPICAL CHEMICAL ANALYSIS
AL2O370-75%
SiO28-20%
Fe2O3≤3%
TiO2≤3.5%
CaO≤0.45%
MgO≤0.35%
K2O≤0.33%
Na2O≤0.08%
TYPICAL PHYSICAL PROPERTIES
Refractoriness≥1800 ℃
Specific gravity:3.4g/cm3
Bulk density(LPD):1.95-2.05 g/cm3
Color:black brown
Grit shape:spherical Ball
Thermal expansion coefficient6×10-6 /℃(20-1000℃)
Thermal conductivity0.698W/M.K(1200℃)
Thermal expansion ratio0.13%
Angularity≤1.1
Available sizes
AFS15-20,AFS 15-25,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

Applications:

1.    Raw material for ladle filler sand
2.    Shell molding
3.    Precision Casting
4.    Lost foam casting
5.    Heavy steel casting
6.    Resin coated sand casting
7.    Vacuum casting
8.    Investment casting

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