|
Ceramic Balls
Size: 1/8”-2”
Al2O3: 19-23%
|
|
Chemical and Physical Properties
& Typical chemical composition |
| SiO2 |
68-72 |
MgO |
0.6-1.2 |
| Al2O3 |
19-23 |
CaO |
0.6-0.9 |
| Fe2O3 |
0.4-0.8 |
K2O |
2.3-3.0 |
| TiO2 |
0.5-0.8 |
Na2O |
0.5-0.8 |
| Soluble Fe: <0.01% | |
| & Typical physical properties |
| Density |
g/cm³ |
2.3-2.4 |
| Water Absorption |
% |
0.1-0.5 |
| Compressive Strength |
N /mm² |
400 |
| E-M |
GPa |
60 |
| Mohs Hardness |
Scale |
9 |
| Specific heat, 20℃-100℃ |
J/kgK |
840 |
| Thermal Conductivity 30℃-100℃ |
W/mK |
1-1.5 |
| Coefficient of thermal expension |
(20℃-600℃)10-6K-1 |
4.7 |
| Heat Resistance |
Up to ℃ |
1000 | |
| & Sizes, size tolerances,packing density, specific surface, void fraction and compressive strength for ceramic balls. |
Size
(Inch)-(mm)
tolerance |
Packing density
(kg/m³) |
Spec.surface (m²/m³) |
Void space
(%) |
Compressive strength per ball (kg/partical) |
| 1/8”-3mm 2.5-3.5mm |
1310 |
720 |
44 |
30 |
| 1/4”-6mm 5.5-6.5mm |
1310 |
520 |
44 |
50 |
3/8”-9mm
8-10mm |
1310 |
360 |
44 |
120 |
| 1/2”-13mm 12-14mm |
1290 |
275 |
45 |
180 |
| 3/4”-19mm 18-20mm |
1290 |
190 |
45 |
300 |
1”-25mm
24-26mm |
1250 |
144 |
45 |
400 |
| 1¼”-32mm 31-33mm |
1250 |
120 |
45 |
520 |
| 1½”-38mm 37-39mm |
1250 |
100 |
45 |
600 |
2”-50mm
48-53mm |
1250 |
75 |
45 |
720 | |
| |
