Magnetic Strip For Micro-Motor

flexible motor stripFlexible 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.

Physical & magnetic properties of flexible magnetic strip for micro-motor

 

YXZY-4C

YXZY-4N

Magnetic property

Residual induction Br(T)

0.24-0.25

0.23-0.25

Coercive force Hcb(kA/m)

159-183

159-183

Intrinsic coercive force Hcj(kA/m)

≥200

≥239

Maximum energy product(BH)max(kJ/m3)

11.1-11.9

10.7-11.9

Adhesive agent components

Chlorinated polyethylene

Butyronitrile rubber

Appearance

The face: clean and polish on polish; no bubble; no scuffing;
Upper and below edge is vertical; fracture is smooth.

Tolerance

Length +0.2mm width +0.1mm thickness +0.05(or according to the contract requirement)

Physical
property

Tensile strength(Mpa)

≥7

≥7

Elongation rate(%)

≥100

≥100

Hardness(SHA)

≥88

≥86

Density(g/cm3)

3.6-3.7

3.6-3.7

Temperature(℃)

-40-100

-40-100

Winding character

Contract value

Thermal expansion coefficient

28 × 10-5/℃

Corrosion
Resisting
Property

10%HCI

20%HCI

10%H2SO4

20%H2SO4

absolute ethly alcohol

methylbenzene

gasoline

benzene

acetone

28% ammonia water

engine oil

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