Main Chemical Component | Al₂O₃≥53%, Fe₂O₃<4%, TiO₂<3%, SiO₂≤37% |
Grain Shape | Spherical |
Angular Coefficient | ≤1.1 |
Particle Size | 45μm -2000μm |
Refractoriness | ≥1800℃ |
Bulk Density | 1.45-1.6 g/cm3 |
Thermal Expansion(RT-1200℃) | 4.5-6.5x10-6/k |
Color | Sand |
PH | 6.6-7.3 |
Mineralogical Composition | Mullite + Corundum |
Acid Cost | <1 ml/50g |
L.O.I. | <0.1% |
● Uniform component composition
● Stable grain size distribution and air permeability
● High refractoriness (more than1800°C)
● High resistance to wear, crush and thermal shock
● Little thermal expansion
● Excellent fluidity and filling efficiency owing to being spherical
Foundry Ceramsite sand used for high-end casting, complex sand moldings and cores, lower defects of castings, sand castings with reclamation system (including mechanical and thermal reclamation ways), sand recycling with highest reclamation times, green castings for environment etc., all types of foundry sand.
The particle size distribution can be customized according your requirement.
Mesh |
20 | 30 | 40 | 50 | 70 | 100 | 140 | 200 | 270 | Pan | AFS | |
μm |
850 | 600 | 425 | 300 | 212 | 150 | 106 | 75 | 53 | Pan | ||
Code | 20/40 | 15-40 | 30-55 | 15-35 | ≤5 | 20±5 | ||||||
30/50 | ≤1 | 25-35 | 35-50 | 15-25 | ≤10 | ≤1 | 30±5 | |||||
40/70 | ≤5 | 20-30 | 40-50 | 15-25 | ≤8 | ≤1 | 43±3 | |||||
70/40 | ≤5 | 15-25 | 40-50 | 20-30 | ≤10 | ≤2 | 46±3 | |||||
50/100 | ≤5 | 25-35 | 35-50 | 15-25 | ≤6 | ≤1 | 50±3 | |||||
100/50 | ≤5 | 15-25 | 35-50 | 25-35 | ≤10 | ≤1 | 55±3 | |||||
70/140 | ≤5 | 25-35 | 35-50 | 8-15 | ≤5 | ≤1 | 65±4 | |||||
140/70 | ≤5 | 15-35 | 35-50 | 20-25 | ≤8 | ≤2 | 70±5 | |||||
100/200 | ≤10 | 20-35 | 35-50 | 15-20 | ≤10 | ≤2 | 110±5 |