N3825mm magnetic buckyball toys for sale
1.Sintered ndfeb magnet ball
2.Good quality with competitive price
3.Certification:ISO9001:2008 and ISO/TS16949
4.Customized availible
The magnetic buckyballs are rubik's cube game with 216 pieces 5 mm small metal balls. They are very popular
and famous magnetic toy as can be taken into a great number of shapes as you like and more you just can not image!
25mm magnetic buckyball
| Comparison of physical properties of sintered neodymium and Sm-Co magnets |
| Property | Neodymium | Sm-Co |
| Remanence (T) | 1–1.3 | 0.82–1.16 |
| Coercivity (MA/m) | 0.875–1.99 | 0.493–1.59 |
| Permeability | 1.05 | 1.05 |
| Temperature coefficient of remanence (%/K) | –0.12 | –0.03 |
| Temperature coefficient of coercivity (%/K) | –0.55..–0.65 | –0.15..–0.30 |
| Curie temperature (°C) | 320 | 800 |
| Density (g/cm3) | 7.3–7.5 | 8.2–8.4 |
| CTE, magnetizing direction (1/K) | 5.2×10–6 | 5.2×10–6 |
| CTE, normal to magnetizing direction (1/K) | –0.8×10–6 | 11×10–6 |
| Flexural strength (N/mm2) | 250 | 150 |
| Compressive strength (N/mm2) | 1100 | 800 |
| Tensile strength (N/mm2) | 75 | 35 |
| Vickers hardness (HV) | 550–650 | 500–550 |
| Electrical resistivity (Ω·cm) | (110–170)×10–6 | 86×10–6 |
We have accumulated abundant experience and established stable and credible business relationships with customers worldwide.With rich experience in dealing with all types of large and small orders, we have developed extensive contacts with many local and international freight organizations. Consequently, we are able to ship our goods safely and reliably to almost anywhere in the world
Welcome to contact us ,we are 24 hours on line,Ms Wu is at your service:
Cell phone:86+13855156049 86+18009691660
Skype:rainbow0051
We will reply your email or fax within 24 hours. 
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