Flexible Magnet

Flexible Magnets for Micro-Motor
Flexible Magnets 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 , it is widely used in motors of TV antenna ,CD player , VCD player and tape rewinder , etc.
PHYSICAL&MAGNETIC PROPERTIES OF FLEXIBLE MAGNETS FOR MICRO-MOTORS

YXZY-4C
YXZY-4N
Magneticproperty
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 x 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
excellent good bad

 
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