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Surface Treatment
Plating Material
Thickness of the Coating Layer
Color
Zn
10um
White or multicolor
Ni
10um
White
Au
10um
Yellow
Polymer
Black
Typical shapes and specifications:
★
Square NdFeB Magnets ( Length×Width×Height)
1.5X12.8X8
2X2X8
3X5X16
4X4X10
5X10X3
10X3X1.5
10X5X2.5
15X40X35
20X15X3
30X20X10
40X22X2
50X50X10
68X24X12
70X70X25
80X60X4
90X70X25
100X100X25
125X125X25
150X100X25
★
Cylinder and Circular Sheets NdFeB Magnets (Diameter×Height)
ф1.4X5
ф2X6
ф3X1
ф4X1
ф5X1
ф6X1.5
ф6.5X1.5
ф8X2
ф8X10
ф9.5X2
ф10X5
ф12.5X5
ф15X10
ф20X15
ф25X3
ф25X10
★
Ring NdFeB Magnets (outer Diameter×Inner Diameter×Height)
ф5X2X1.2
ф6.5X2X1.5
ф9X5X3
ф11X0.6X1
ф11X6.5X1
ф11X6.5X1.5
ф13.5X5.5X1
ф13.5X26X3
ф16X7.5X1
ф20X8X15
ф40X10X30
ф50X6X4
★
Segment NdFeB Magnets (outer Radius ×Inner Radius×Height)
5.35X3X17
12X6X6
12.5X9.5X3.1
19.5X4.8X28
28.5X22X7
52X37.5X50
47.5X37.5X36.6
46.5X31.5X35.8
43.5X21.5X3.5
Sintered Ferrite Permanent Magnetic Materials
Application: It can be used in domestic electrical equipmen- ts,icromotors,
magnetic separators, magnetic chucks, electroacoustic devices,
instruments & meters and magnetic couplers.
Magnetic Characteristics:
Type
Remanence(Br)
Instrinsic Coercive Force (Hcj)
Coercive Force(Hcb)
Max.Energy Product BH(max)
mT
KA/m
KA/m
KJ/m
3
Y8T
200
∽
230
240
∽
280
145
∽
160
7.2
∽
9.5
Y22H
320
∽
360
280
∽
320
230
∽
250
20.0
∽
24.0
Y23
320
∽
380
190
∽
230
170
∽
190
20.5
∽
25.5
Y24H
340
∽
380
260
∽
290
248
∽
260
20.0
∽
26.0
Y25H
350
∽
380
230
∽
290
215
∽
250
24.0
∽
26.5
Y26H
360
∽
390
225
∽
255
220
∽
225
23.0
∽
28.3
Y27H
370
∽
400
230
∽
255
225
∽
240
25.0
∽
29.0
Y28
380
∽
400
200
∽
220
176
∽
220
26.5
∽
28.0
Y30H-1
390
∽
410
240
∽
285
240
∽
270
28.0
∽
32.5
Y30H-2
395
∽
415
310
∽
335
275
∽
300
28.5
∽
32.0
Y32
400
∽
420
180
∽
195
176
∽
200
30.0
∽
32.0
Y33
410
∽
430
225
∽
255
220
∽
250
31.5
∽
35.0
Physical Properties of the above materials:
Pecoil Permeability
μ
rec
Curie Temperature(℃)
Resistivity
ρ(Ω.cm)
Densit d(g/cm3)
Br Temperature coefficient
α Br(%/℃)
Linear Expansion coefficient
γ(10
-6
/℃)
1.05∽1.3
450
10
4
∽10
8
4.5∽5.2
-0.18∽-0.20
9∽15
Address: Guangzhou Magnetic Material Factory
8 Renjizhi, Longdaowei,Henan, Guangzhou, P.R. China
Tel
： 0086-2084449638、2034384803、2034382143
Fax
： 0086-2084414242
Hotline
：0086-2034382143
、13902228009
E-mail:Khimag@public.guangzhou.gd.cn
E-mail:
gzmagnet9638@sina.com
http://www.gzmagnets.com
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