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Pot Magnets Blog

HomeFerrite MagnetNdFeB Flexible Magnets

NdFeB Flexible Magnets

by potmagnetson 25 November 2017in Ferrite Magnet, Flexible Magnet, Magnetic Materials, NdFeB, Rubber Magnets No comment

NdFeB Flexible Magnets is a kind of flexible permanent magnetic materials with high power, whose performance is more excellent than that of the ferrite magnet components, which could be used for various kinds of high powered micro-motors, which could compact the external dimension widely, and improve the motor performance. It is the originate in China.

Production Process of NdFeB Flexible Magnets
NdFeB Flexible Magnet is composed by of melt-spun NdFeB powder and rubber.
Thickness: 0.5~8.0 mm
Length: as per your requirement.
Magnetization: multi-poles or through the thickness
Surface treatment: UV coated or Patterned

NdFeB Flexible Magnets

NdFeB Flexible Magnets

Characteristics of NdFeB Flexible Magnets
The strongest isotropic flexible magnet in the world so far, a Max. BH of 90KJ/m3(11.25MGO) is available at laboratory, an amazing 5 times more than that for Ferrite magnetic strip, quite close to the highest property of compression Molded NdFeB ring magnet, magnetic property for industrial batch quantity ranges from 16 to 68 KJ/m3(2.0-8.5MGO).
Outstanding flexural strength, can be automatically assembled, with an efficiency better than compression molded ring magnet.
Dispensing with mold, short downtime.
Applicable temperature: -40℃~120℃;
After systematic reliability inspection, it is consistent and reliable.
Can be made into different shapes such as long strip, slim strip, ring, pore plate, large sheeting, etc. to meet different requirements.

Dimension range (mm) of NdFeB Flexible Magnets:

Thickness
Width
Length
0.3~6.0
~ 300
unconfined
0.4~3.0
~ 200
~ 300

Wide application range of NdFeB Flexible Magnets
Sensor
NdFeB Flexible Magnets sensor
Handy phone,cell phone Wheel key.Applied for mobile phone(wheel key), radio mouse, protector guarding against theft for commodities in supermarket, etc

Micro-motor strip
Used for cash register, portable DVD, SERVO FAN, laptop computer, etc.

Plane loudspeaker
Used for TV, stereo device, etc.

Strong attraction application
The highest magnetism flexible magnet in the world!

Magnetic Properties of NdFeB Flexible Magnets

FLEXIBLE NdFeB MAGNET
Material Type
HSN2
HSN3
HSN4
HSN5
HSN6
HSN7
HSN8
HSNE2
HSNE3
HSNE4
HSNE5
Magnetic Properties
kGs
2.5~3.5
3.3~4.3
3.8~4.8
4.3~5.3
4.8~5.8
5.3~6.3
5.7~6.7
2.5~3.5
3.5~4.5
4.5~5.5
5.5~6.5
Residual Induction (Br)
T

0.25~

0.35

0.33~

0.43

0.38~

0.48

0.43~

0.53

0.48~

0.58

0.53~

0.63

0.57~

0.67

0.25~

0.35

0.35~

0.45

0.45~

0.55

0.55~

0.65

kOe
1.5~2.5
2.1~3.1
2.7~3.7
3.2~4.2
3.7~4.7
4.3~5.3
4.5~5.5
1.5~2.5
2.1~3.1
2.5~3.5
2.5~3.5
Coercive force (Hcb)
kA/m
120~200
170~250
210~300
250~340
290~380
340~420
350~440
120~200
170~250
200~280
200~280
kOe
2.0~4.0
4.8~6.8
6.8~8.8
7.8~9.8
8.0~10.0
8.5~11.0
8.5~11.0
2.0~4.0
3.5~5.5
4.5~5.5
4.5~5.5
Intrinsic coercive force(Hcj)
kA/m
150~320
380~540
540~700
620~780
630~800
670~880
670~880
150~320
280~440
350~440
350~440
MGOe
1.5~2.5
2.5~3.5
3.5~4.5
4.5~5.5
5.5~6.5
6.5~7.5
7.5~8.5
1.5~2.5
2.5~3.5
3.5~4.5
4.5~5.5
Max energy product(BH)max
kJ/m3
12~20
20~28
28~36
36~44
44~52
52~60
60~68
12~20
20~28
28~36
36~44
Temperature Coefficient of Br
%/℃
-0.11
-0.11
-0.11
-0.11
-0.11
-0.11
-0.11
-0.16
-0.16
-0.17
-0.17
Flux Irreversible Loss?
%
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<6
Max Operating Temperature
℃
120
120
120
120
120
120
120
100
100
100
100
Physical Properties
Tensile Strength(MPa)
>3
Elongation(%)
30~80
Hardness (Shore D)
30~80
Density (g/cm3)

3.30~

3.90

4.00~

4.60

4.40~

5.00

4.65~

5.25

4.65~

5.25

4.80~

5.40

5.10~

5.70

3.45~

4.05

4.10~

4.70

4.50~

5.10

4.90~

5.50

Weight reduction by heat(%)
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
Reliability
Heat-Resistant (100℃×72h)
**
**
**
**
**
**
**
**
**
**
**
Cold-Resistant (-40℃×72h)
***
***
***
***
***
***
***
***
***
***
***
Wet-Resistant (60℃×90%RH×72h)
**
**
**
**
**
**
**
**
**
**
**
Hydraulic Oil-Resistant(23℃×72h)
**
**
**
**
**
**
**
**
**
**
**
Cold-Heat Impact-Resistant? (-40℃~85℃×1h×24/Cycle)
***
***
**
**
**
**
**
**
**
**
**
Salt Water? (23℃×5%NaCl×24h)
**
**
**
**
**
**
**
**
**
**
**
Remark:***Excellent,,**Good,*Acceptable,×Bad
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Tags: ferrite magnet components, Ferrite magnetic strip, Flexible Magnets, isotropic flexible magnet, NdFeB, NdFeB Flexible Magnets
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