These calcium sodium glass balls are known for their lightness and chemical inertia, thus providing a remarkable surface finish. Ideal for applications requiring specific properties, they are distinguished by their versatility and adaptability. Marteau- Lemarie guarantees a fast supply from our stock located in France, supported by more than 40 years of expertise in the sector.
Physical characteristics of calcium sodium glass ball
| Ownership | Value | Unit |
|---|---|---|
| Density | 2.5 | g/cm3 |
| Young Module | 70 | GPA |
| Thermal expansion coefficient | 9.4 (T=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 1 | W/m·K |
| Volume resistivity | >10^14 | D·m |
| Relative magnetic permeability | <~1 | — |
| Magnetic behaviour | Diamagnetic | — |
| Softening temperature | 726 | ° C |
| Refraction index | 1.518 | — |
Hardness and mechanical resistance of calcium sodium glass ball
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 465-585 | Knoop |
| Hardness | 6 | Mohs |
| Exercise temperatures | 0/200 | ° C |
| Exercise temperatures | 32/392 | °F |
Available diameters and grades for calcium sodium glass ball
| Parameter | Value |
|---|---|
| Minimum diameter | 1 mm — 3/64′′′ |
| Maximum diameter | 100 mm — 4′′ |
| Grades available | G50-100-200-500-1000-2000 |
Corrosion resistance of calcium sodium glass ball
Almost inert materials, calcium sodium glass beads also resist strong alkaline solutions.
Applications of calcium sodium glass ball
Special bearings and valves, plastic bearings, low-price control valves, dosing pumps, flow meters, measuring instruments, agitators, fibre optic applications, ink cartridges, bottle closures, shot, grinding. Also used in art and decoration.
