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Permanent Ferrite Nd-Fe-B  Rubber Magnet Bond NdFeB Soft Ferrite Magnetic Beads & Clasp Magnet Grade Info  

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NEODYMIUM-IRON-BORON MAGNETS (Rare earth permanent magnetic).
Sintered neodymium-iron-boron (NdFeB) magnets, They offer the highest energy product of any material today and are available in a very wide range of shapes, sizes and grades. 

 

MAXIMUM USE TEMPERATURE AND CORROSION
The temperature stability and resist corrosion is not as good as permanent ferrite  magnet.

 

THE CHARACTERISTICS STANDARDS.

Grade

Br
(KGs)

Hc
(KOe)

Hci
(KOe)

(BH)max
(MGOe)

Curie Temp .
(0C)

Max. Op. Temp
(0C)

N30

11.2 (10.8)

10.5 (10.0)

14 (12)

30 (28)

310

80

N30H

11.2 (10.8)

10.7 (10.2)

19 (17)

30 (28)

320

120

N30SH

11.2 (10.8)

10.7 (10.2)

22 (20)

30 (28)

340

150

N30UH

11.2 (10.8)

10.6 (10.1)

27 (25)

30 (28)

350

180

N33

11.7 (11.3)

11.0 (10.5)

14 (12)

33 (31)

310

80

N33H

11.7 (11.3)

11.1 (10.6)

19 (17)

33 (31)

320

120

N33SH

11.7 (11.3)

11.1 (10.6)

22 (20)

33 (31)

340

150

N33UH

11.7 (11.3)

11.0 (10.3)

27 (25)

33 (31)

350

180

N35

12.0 (11.6)

11.5 (11.0)

14 (12.)

35 (33)

310

80

N35H

12.0 (11.7)

11.6 (11.1)

19 (17)

35 (33)

320

120

N35SH

12.0 (11.7)

11.6 (11.1)

22 (20)

35 (33)

340

150

N37

12.4 (12.0)

11.8 (11.3)

14 (12)

37 (35)

310

80

N38H

12.6 (12.2)

12.0 (11.5)

19 (17)

37 (35)

320

120

N40

12.8 (12.4)

12.2 (11.8)

14 (12)

40 (38)

310

80

N40H

12.9 (12.6)

12.0 (11.5)

19 (17)

40 (38)

340

120

N42

13.0 (12.6)

12.4 (12.0)

15 (12)

42 (40)

310

80

N45

13.5 (13.0)

12.6 (12.2)

15 (12)

45 (43)

310

80

 

General Shape: Segment, Ring, Block, Tile, etc. (unit: mm)

 
Type Ø2*2 Ø3*3 Ø4*2 Ø5*1.5 Ø5*2 Ø9.5*1.5
Rang Ø6.5*1.5 Ø6.5*2 Ø7.5*0.75 Ø7.5*1.5 Ø9.5*0.5 Ø9.5*1.5
Ø10*1.5 Ø11*1.5 Ø12*1.5 Ø12*2 Ø12.5*1.5 Ø12.5*2
Disk Ø5*10 Ø25*10 Ø30*30 Ø80*25 Ø100*25 Ø120*35
Pillar Ø4*Ø2*5 Ø6.5*Ø2*5 Ø11*Ø5*1 Ø12*Ø7*1 Ø16*Ø7*2 Ø20*Ø8*2
Block 50*50*25
40*25*25
75*75*25
82*62*33
100*100*25
120*100*30
Tile ØR78*r75*w27*L55 R71 * r68 * W27 * L40 R22 * r20 * W16 * L26
 


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