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    Flexible NdFeB Magnets
    • Flexible NdFeB Magnets

    Flexible NdFeB Magnets

    Flexible NdFeB Magnets Characteristics: Good flexible properties, virtually no cracking, no chipping (No cracks on the magnet when 1 mm thick sheet was wrapped around 10 mm diameter mandrel).
    Highest magnetic properties, (BH)max come up to 80KJ/m3 in laboratory, the (BH)max (16～68KJ/m3 ) can be in mass production.
    Temperature capability -40 deg.C to 120 deg.C.
    Without complicated mold, so the cycle of production is short.
    The capability for automatic installation, the installing efficiency is higher than that of the molded ring.
    No need to change the production line and processes at the users' side. The same line/processes as for conventional sheet (flexible) magnets can be used.
    Flexible magnetizing, low cogging due to magnetically isotropic characteristics.
    Can be cut into long strips, narrow bars, large area thin sheets, thin rings to meet different demands.
    Buy NdFeb Magnets
    Flexible NdFeB Magnets Characteristics Flexible NdFeB Magnets Producible Range (mm)

    · Good flexible properties, virtually no cracking, no chipping (No cracks on the magnet when 1 mm thick sheet was wrapped around 10 mm diameter mandrel).
    · Highest magnetic properties, (BH)max come up to 80KJ/m3 in laboratory, the (BH)max (16～68KJ/m3 ) can be in mass production.
    · Temperature capability -40 deg.C to 120 deg.C.
    · Without complicated mold, so the cycle of production is short.
    · The capability for automatic installation, the installing efficiency is higher than that of the molded ring.
    · No need to change the production line and processes at the users' side. The same line/processes as for conventional sheet (flexible) magnets can be used.
    · Flexible magnetizing, low cogging due to magnetically isotropic characteristics.
    · Can be cut into long strips, narrow bars, large area thin sheets, thin rings to meet different demands.

     Thickness  Width  Length
      Lihe 0.4～12.0 ～ 300～30000
    Others 0.4～3.0 ～ 200 ～ 300
    Material GradeR2R3R4R5R6R7R8R9
    Magnetic Properties
    (Br)kGs2.5~3.53.3~4.33.8~4.84.3~5.34.8~5.85.3~6.35.7~6.76.1~7.1
    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

    0.61~0.71

    (Hcb)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

    4.7~5.7

    kA/m

    120~200

    170~250

    210~300

    250~340

    290~380

    340~420

    350~440

    370~450

    (Hcj)kOe

    2.0~4.0

    3.8~6.8

    6.8~8.8

    7.8~9.8

    8.0~10.0

    8.5~11.0

    8.5~11.0

    8.0~10.5

    kA/m

    150~320

    302~540

    540~700

    620~780

    630~800

    670~880

    670~880

    640~840

    ((BH)max)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

    8.5~9.5

    kJ/m³

    12~20

    20~28

    28~36

    36~44

    44~52

    52~60

    60~68

    67~75

    Temperature Coefficient of Br%/℃

    -0.11

    -0.11

    -0.11

    -0.11

    -0.11

    -0.11

    -0.11

    -0.11

    Flux Irreversible Loss%

    <5

    <5

    <5

    <5

    <5

    <5

    <5

    <5

    Max Operating Temperature℃

    120

    120

    120

    120

    120

    120

    120

    120

    Physical Properties
    （MPa）Tensile Strength

    >2( It could be adjusted according to the customer's requirement

    (%) Elongation

    20~80(It could be adjusted according to the customer's requiremen

    (Shore D) Hardness

    20~80(It could be adjusted according to the customer's requirement

    (g/cm³) Density

    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

    5.40~6.00

    (%) Weight Reduction by heat

    <1

    <1

    <1

    <1

    <1

    <1

    <1

    <1

    Reliability
    (100℃×72h) Heat-Resistant

    **

    **

    **

    **

    **

    **

    **

    **

    (-40℃×72h) Cold-Resistant

    ***

    ***

    ***

    ***

    ***

    ***

    ***

    ***

    (60℃×90%RH×72h)Wet-Resistant

    **

    **

    **

    **

    **

    **

    **

    **

    (23℃×72h)Motor Oil Resistant

    **

    **

    **

    **

    **

    **

    **

    **

    Cold-Heat Impact-Resistant

    ***

    ***

    **

    		**********
    ((-40℃～85℃)×1h×24周期Cycle)
    (35℃×5%NaCl×24h) Salt Spray Testing

    **

    **

    **

    **

    **

    **

    **

    **

    Remarks：  ***  Excellent   **   good  *  acceptable  × bad

    Material GradeRE2RE3RE4RE5RE6
    Magnetic Properties
    (Br)2.5~3.53.5~4.54.5~5.55.5~6.56.5~7.5
    0.25~0.350.35~0.450.45~0.550.55~0.650.65~0.75
    (Hcb)1.5~2.52.1~3.12.5~3.52.5~3.53.0~4.0

    120~200

    170~250

    200~280

    200~280

    240~320

    (Hcj)

    2.0~4.0

    3.5~5.5

    4.5~5.5

    4.5~5.5

    4.5~5.5

    150~320

    280~440

    350~440

    350~440

    350~440

    ((BH)max)

    1.5~2.5

    2.5~3.5

    3.5~4.5

    4.5~5.5

    5.5~6.5

    12~20

    20~28

    28~36

    36~44

    44~52

    Temperature Coefficient of Br

    -0.16

    -0.16

    -0.17

    -0.17

    -0.17

    Flux Irreversible Loss

    <5

    <5

    <5

    <6

    <6

    Max Operating Temperature

    100

    100

    100

    100

    100

    Physical Properties
    （MPa）Tensile Strength

    >2( It could be adjusted according to the customer's requirement

    (%) Elongation

    20~80(It could be adjusted according to the customer's requiremen

    (Shore D) Hardness

    20~80(It could be adjusted according to the customer's requirement

    (g/cm³) Density

    3.45~4.05

    4.10~4.70

    4.50~5.10

    4.70~5.50

    5.40~6.00

    (%) Weight Reduction by heat

    <1

    <1

    <1

    <1

    <1

    Reliability
    (100℃×72h) Heat-Resistant

    **

    **

    **

    **

    **

    (-40℃×72h) Cold-Resistant

    ***

    ***

    ***

    ***

    ***

    (60℃×90%RH×72h)Wet-Resistant

    **

    **

    **

    **

    **

    (23℃×72h)Motor Oil Resistant

    **

    **

    **

    **

    **

    Cold-Heat Impact-Resistant**********
    ((-40℃～85℃)×1h×24周期Cycle)
    (35℃×5%NaCl×24h) Salt Spray Testing

    **

    **

    **

    **

    **

    Remarks：  ***  Excellent   **   good  *  acceptable  × bad

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