Germanium 3mm to 8mm 99.999% Germanium Ball Germanium Bead
| Symbol | Ge |
| Cas | 7440-56-4 |
| Atomic Number | 32 |
| Atomic Weight | 72.59 |
| Densit | 5.323 gm/cc |
| Melting Point | 937.4 oC |
| Boiling Point | 2830 oC |
| Thermal Conductivity | 0.602 W/cm/K @ 302.93 K |
| Electrical Resistivity | microhm-cm @ 20 oC |
| Electronegativity | 1.8 Paulings |
| Specific Heat | 0.077 Cal/g/K @ 25 oC |
| Heat of Vaporization | 68 K-cal/gm atom at 2830 oC |
1.Specification:
Impurities in ppm
| Ge% | 99.999min |
| AI(ppm) | 0.1max |
| Cu(ppm) | 0.2max |
| Fe(ppm) | 0.1max |
| Pb(ppm) | 0.1max |
| Ni(ppm) | 0.2max |
| Co(ppm) | 0.2max |
| As(ppm) | 0.1max |
| Total content of AI, Cu, Fe, Pb, Bi,Na, Si, S,Se, As, Mg (ppm) | 10max |
2. Application:
Germanium Application:
Jewelry categories: necklaces, bracelets, pendants, watches and so on ......
Wear: underwear, belts, brooches, glasses, insoles, etc. ...
Technology: smart bracelet, smart watches, health detectors, etc. ... ...
Beauty categories: facial massage equipment, beauty stick, slimming equipment, etc. ... ...
3.Germanium, arare precious metals, smelting and refining requirements are quite strict, the quality of amaterial
of germanium is very hard, is widely used in aerospace measurement and control, nuclear detection, optical fiber
communication, infrared optics, biomedical and other fields. Because of its high value and the practical medical
value of itself, is also used in facial massage stick, knee pads, wristbands, waist support, soreness and hot
product, sell well throughout southeast Asia, especially in recent years in South Korea, Japan sparked a buying
frenzy enduring.
4. Packing:
Generally packed in 100pieces/plate, also could do according to customer request.
5. Product Details Picture:
Product Tags:
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Polished 3mm To 8mm 99.999% Germanium Ball Images
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