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N3825mm magnetic buckyball toys for sale

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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          


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 Phone: 86-13855156049
 Add:No.7598 Ziyun Road,Economic-Technological Development Area,Hefei,Anhui,China 230601

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