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把Sm2Co17或SmCo5合金粉末与树脂（PA12,PPS），添加剂等混合

后，以注射成形的方式生产出来的磁体就是注塑钐钴磁石。注塑钐钴

磁具有比注塑铁氧体磁力强又比注塑钕铁硼耐高温，耐氧化的优点，

特别适用在汽车，复印机等精密机器中。有许多需要在高温，高湿环

境中的磁感应仪器都必须用这种材料。
 
 
Magnetic Characteristics & other physical characteristics of Injection Molded SmCo Magnet - SmCo series

EARTH MAGNETS-SmCo-PA12 Series
Test method
Test method
EIP-802
www.earthmagnets.com
Magnetic power
-
-
SmCo
Base resin
-
-
PA12
MAGNETIC PROPERTIES
-
-
Anisotropic
Residual flux density Br
-
mT
608
Coercive force bHc
-
kA/m
422
Intrinsic coercive force iHc
-
kA/m
1129
Maximum energy product BHmax
-
kJ/m3
66.0
Thermal coefficient ΔBr/Br
-
%/
O C
-
Thermal coefficient ΔHc/Hc
-
%/
O C
-
OTHER PROPERTIES
　
　
　
Tensile strength
ASTM D-638
MPa
-
Flexural strength
ASTM D-790
MPa
80
Flexural modulus
ASTM D-790
MPa
10450
Izod impact (with notch)
ASTM D-256
J/m
-
Rockwell hardness coefficient　
ASTM D-785
R scale
-
Heat deflection temperature 1.82Mpa
ASTM D-648
O C
-
Specific gravity
ASTM D-792
-
5.43
Water absorption (230C 24 hrs in water)
ASTM D-570
%
-
Molding shrinkage coefficient
EM Method
%
-
Coefficient of thermal expansion
EM Method
O C
-
Melt flow rate （2700C x 5 kg)
ASTM D-1238
g/10min
300
Melt flow rate （2700C x 10 kg)
ASTM D-1238
g/10min
 -
Flammability
UL94
Class
 -