Magnetic Strip For Micro-Motor
Flexible Magnetic strip for Micro-Motor are thermoplastic permanent ferrite magnets with Enjoying characteristics of satisfactory magnetic property, mechanic property, chemical corrosion resisting Property, strict size precision and good consistency. Those flexible magnets are widely used as stator and rotor and rotor in motors of TV antenna ,CD player , CPU cooler, VCD player and tape rewinder, etc.
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YXZY-4C |
YXZY-4N |
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Magnetic property |
Residual induction Br(T) |
0.24-0.25 |
0.23-0.25 |
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Coercive force Hcb(kA/m) |
159-183 |
159-183 |
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Intrinsic coercive force Hcj(kA/m) |
≥200 |
≥239 |
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Maximum energy product(BH)max(kJ/m3) |
11.1-11.9 |
10.7-11.9 |
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Adhesive agent components |
Chlorinated polyethylene |
Butyronitrile rubber |
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Appearance |
The face: clean and polish on polish; no bubble; no scuffing; |
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Tolerance |
Length +0.2mm width +0.1mm thickness +0.05(or according to the contract requirement) |
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Physical |
Tensile strength(Mpa) |
≥7 |
≥7 |
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Elongation rate(%) |
≥100 |
≥100 |
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Hardness(SHA) |
≥88 |
≥86 |
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Density(g/cm3) |
3.6-3.7 |
3.6-3.7 |
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Temperature(℃) |
-40-100 |
-40-100 |
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Winding character |
Contract value |
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Thermal expansion coefficient |
28 × 10-5/℃ |
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Corrosion |
10%HCI |
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20%HCI |
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10%H2SO4 |
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20%H2SO4 |
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absolute ethly alcohol |
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methylbenzene |
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gasoline |
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benzene |
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acetone |
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28% ammonia water |
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engine oil |
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 excellent good bad |
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