Thermal Expansion Control Ceramic Sand For 3d Printing Anti Burn On
Spherical Ceramic Sand With Thermal Expansion Control FOR 3D PRINTING
1. CERAMIC SAND characteristic ;Mining Machine Spare Parts
Anti Burn-on
High Reclamation Yield
Thermal Expansion Control
Wide Choice of Particle Size
Reduced Waste and Health Hazard
Good Flowability and Heat Conductivity
Low Resin Consumption and Gas Defects
Mining Machine Spare Parts
| Main Chemical Component | Al.O:70~85%,Fe,O,≤5%,TiO.:3~4%,SiO::12~25% |
| Shape | Good spherical |
| Angularity Facto | ≤1.1 |
| Particle Size | 0.053mm~2.50mm |
| Bulk Density | 1.95~2.051(g/cm³) |
| Thermal Expansion | 0.13%(10 minutes at 1000℃) |
Properties(compare with other foundry sand) Mining Machine Spare Parts
| Ceramic sand | Quartz sand | Chromite | Zircon | Cerabeads | |
| Refractoriness | 1800℃/3272°F | 1730℃/3146°F | 1880℃/3416°F | 1825℃/3317F | 1825℃/3317°9 |
| Bulk density (g/cm³/b/ft') | 2/124 | 1.58/99 | 2.81/175 | 2.95/187 | 1.69/106 |
| pH | 7.3 | 6.6 | 7.9 | 5.7 | 7.2 |
|
Thermal conductivity (100~1000°℃) |
0.35～0.50(W/mK | 0.255(W/mK) | 0.258(W/mK) | 0.305(W/mK) | 0.223(W/mK) |
|
Lin.exp.coeff. (20~600°℃,10⁸ ×K') |
7.2 | 23 | 7.5 | 4.1 | 4.0 |
| Mohs' hardness | 6.5~7.5 | 6.0~7.0 | 5.5~6.0 | 7.0~8.0 | 5.0~5.5 |
| Mineralogical composition | Mullite+Corundum | Quartz +Feldspar | Chromite | Zircon |
Mullite (sintered mulite) |
| Grain shape | Spherical | Angular | Angular | Semi-angula | Spherical |
3.GOLDEN SAND FOR 3D PRINTING Mining Machine Spare Parts
Golden Sand,a newly developed special artificial sand especially to meet the demand for 3D printing sand molds and cores, has a golden, brilliant appearance and good spherical shape. Those 3D printing company who uses this kind of sand, may take the advantages,such as: reduced resin(binder)consumption,high strength, fast curing and excellent sand mold(core or shell)surface quality. Golden sand will be the best choice for sand mold 3D printing.
4.Parts of papticle size distribution For Mining Machine Spare Parts
| spec. |
AFS30 |
AFS40 |
AFS50 |
AFS60 |
AFS65 |
AFS75 |
AFS100 |
AFS125 |
AFS150 |
|
| mesh | micron | |||||||||
| 10 | 1700 | |||||||||
| 14 | 1180 | |||||||||
| 18 | 850 | ≤5 | ||||||||
| 26 | 600 | 15~30 | ≤5 | ≤5 | ||||||
| 36 | 425 | 30~50 | 20~40 | 10~25 | ≤10 | ≤5 | ||||
| 50 | 300 | 20~35 | 25~40 | 25~35 | 15~35 | 10~25 | ≤10 | |||
| 70 | 212 | ≤10 | 10~30 | 25~35 | 25~35 | 15-30 | 10~30 | ≤3 | ≤2 | |
| 100 | 150 | ≤5 | ≤10 | 5~25 | 25~35 | 25~40 | 25~45 | 10~30 | 0~20 | ≤5 |
| 140 | 106 | ≤5 | ≤10 | 5~20 | ≤25 | 20~40 | 35~55 | 30~50 | 5~25 | |
| 200 | 75 | ≤2 | ≤5 | ≤5 | ≤10 | 15~35 | 25~45 | 40~60 | ||
| 281 | 53 | ≤1 | ≤1 | ≤1 | ≤5 | ≤10 | 0~20 | 25~35 | ||
| PAN | PAN | ≤0.5 | ≤0.5 | ≤0.5 | ≤2 | ≤5 | ≤15 | |||
|
AFS average finess range |
25~35 | 35~45 | 45-55 | 55-65 | 60-70 | 70~80 | 95~110 | 120~135 | 145~165 | |
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