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Mainly made from Fe2O3, BaCo3 or SrCo3 metallic powders.


There are two types : One is isotropic magnet and the other is anisotropic magnet.(anisotropic magnet included the dry compression and wet compression).


The property included the corruptive is very high, not easy to demagnetize. The normal tolerance is +/-2%, after process, the tolerance can be +/-0.05%.

   
Magnetic Characteristics & other physical characteristics of Sinteres Ferrite Magnet

Grade

Equal to MMPA
Standards

Residual induction

Intrinsic Coercive

Coercive Force

Max.Energy Product

Curie

Operating

Br

Hcj

Hcb

(BH)max

Temp.( O C)
Temp.( O C)

MT

KG

KA/m

KOe

KA/m

KOe

KJ/m3

MGOe

EY10

Ceramic 1

200-300

2.00-2.35

125-162

2.64-3.52

125-162

1.57-2.01

6-9

0.8-1.1

450

300

EY20

Ceramic 7

320-380

3.20-3.80

170-189

2.39-2.89

170-189

2.14-2.38

20-25

2.5-3.2

450

300

EY25

Ceramic 5

360-400

3.60-4.00

135-160

1.76-2.51

135-160

1.7-2.01

22-28

2.8-3.5

450

300

EY30

Ceramic 8

370-400

3.70-4.00

175-210

2.26-2.77

175-210

2.20-2.64

26-30

3.3-3.8

450

300

EY30BH

Ceramic 9

390-410

3.90-4.10

240-270

3.02-3.58

240-270

3.02-3.39

28-33

3.5-4.1

450

300

EY35

Ceramic 10

700-420

4.00-4.20

260-189

2.01-2.45

160-189

2.01-2.38

30-33

3.8-4.2

450

300