- Model NO.: 140307-X03
- Shape: Arc
- Grade: N30SH-N45SH
- Trademark: TC
- Specification: ISO9001: 2000 & SGS TS16949, ISO14001
- HS Code:
- Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Motor Magnet
- Coating: Nickel
- Shape:Arc,Segment: Plating:Ni
- Transport Package: in Cartons
- Origin: China
Material Grade of NdFeB magnets:
Magnet N-( N35, N38, N40, N42, N45, N48, N50),
Magnet M-(35M, 38M, 40M, 42M, 45M, 48M),
Magnet H-(35H, 38H, 40H, 42H, 45H),
Magnet SH-(30SH, 33SH, 35SH, 38SH, 40SH, 42SH),
Magnet UH-( 28UH, 30UH, 33UH, 35UH, 38UH),
Magnet EH-(28EH, 30EH, 30EH, 33EH, 35EH)
1) Application of NdFeB magnet: Toys, package, Printer, Switchboard, Phone, voice coil motors (VCM's) in hard disk drives, high performance motors, brushless DC motors, magnetic separation, magnetic resonance imaging, sensors, loudspeakers etc.
2) The coating of NdFeB magnets can be Zn, Ni, Ni-Cu-Ni, Epoxy, CR3+ZN, NI+AG, NI+AU.

 | NdFeB |  |  |  |  |  | ||
No. |
Coating |
Thickness |
Color |
Working Temperature |
PCT | SST |
Surface Tension |
Characteristic |
1 |
Cr3+Zn |
3-8um |
Bright Blue |
≤160ºC | >24H | >24H-48H | >32mN/m | , Regular Protection,applicable to most products |
2 |
Color Zn |
4-8um |
Shining Color |
≤160ºC | >24H | >48H-72H | >32mN/m |
Excellent salt Spray Resistance |
3 |
NiCuNi |
10-20um |
Bright Silver |
≤200ºC | >48H-72H | >24H-72H | >32mN/m | , Excellent Humidity ,heat& Salt spray Resistance |
4 |
Electroless Nickel |
10-30um |
Bright Silver |
≤200ºC | >72H | >96H | >32mN/m | , Excellent Humidity ,heat& Salt spray Resistance |
5 |
Black Nickel |
10-20um |
Bright Black |
≤200ºC | >72H | >48H-96H | >32mN/m | , Excellent Humidity ,heat& Salt spray Resistance |
6 |
Epoxy |
10-30um |
Black or Gray |
≤200ºC | >72H | >72H-108H |  | ,, Good insulation ,excellent humidity,heat@salt spray resistance |
7 | NiCu+Epoxy | 10-30um |
Black or Gray |
≤200ºC | >72H | >72H-108H |  | ,, Good insulation ,excellent humidity,heat@salt spray resistance |
8 |
Phosphated |
≤1um |
Dark Grey |
≤200ºC |  | ≤2.5H Emerge in 3% NaCl Liquor |
>36mN/m | , Temporary Protection ,good adhensive force with gluing |
9 |
Everlube |
8-20um |
Yellow |
≤160ºC | >72H | >96H |  | , Ecellent Salt Spray Resistance,excellent adhension |
10 | NiCuNi+ Au | 10-15um | Golden | ≤160ºC | >48H | >12H | >32mN/m |
Good looking |
11 |
Sn |
10-25um |
Bright Silver |
≤160ºC | >48H | >36H-72h | >32mN/m | , Excellent Humidity ,heat& Salt spray Resistance |
HS Code:
Model: Magnet TC888
Standard: ISO9001: 2000 & SGS
Origin: China
Packing: Carton
Transportation: By Express/By Sea /By Air

Magnetic properties of Sintered NdFeB magnets: Â | |||||
Grade  |
Remanence  |
Coercive Force  |
Intrinsic Coercive Force  |
Max. energy product  |
Max. Â |
Operating  | |||||
Temperature  | |||||
Br  |
Hcb  |
Hcj  |
(BH ) Â |
Tw  |
|
max   | |||||
mT Â |
kA/m  |
kA/m  |
kJ/m3 Â |
||
(kGs) Â |
(kOe) Â |
(kOe) Â |
(MGOe) Â |
||
N35 Â |
1170-1220 Â |
>= 868 Â |
>=955 Â |
263-287 Â |
80°C  |
(11.7-12.2) Â |
( >= 10.9) Â |
( >= 12) Â |
(33-36) Â |
||
N38 Â |
1220-1250 Â |
>=899 Â |
>=955 Â |
287-310 Â |
80°C  |
(12.2-12.5) Â |
( >= 11.3) Â |
( >= 12) Â |
(36-39) Â |
||
N40 Â |
1250-1280 Â |
>= 907 Â |
>=955 Â |
302-326 Â |
80°C  |
(12.5-12.8) Â |
( >= 11.4) Â |
( >= 12) Â |
(38-41) Â |
||
N42 Â |
1280-1320 Â |
>= 915 Â |
>=955 Â |
318-342 Â |
80°C  |
(12.8-13.2) Â |
( >= 11.5) Â |
( >= 12) Â |
(40-43) Â |
||
N45 Â |
1320-1380 Â |
>= 923 Â |
>=955 Â |
342-366 Â |
80°C  |
(13.2-13.8) Â |
( >= 11.6) Â |
( >= 12) Â |
(43-46) Â |
||
N48 Â |
1380-1420 Â |
>= 923 Â |
>=955 Â |
366-390 Â |
80°C  |
(13.8-14.2) Â |
( >=11.6) Â |
( >= 12) Â |
(46-49) Â |
||
N50 Â |
1400-1450 Â |
>= 796 Â |
>=955 Â |
382-406 Â |
80°C  |
(14.0-14.5) Â |
( >= 10.0) Â |
( >= 12) Â |
(48-51) Â |
||
N52 Â |
1430-1480 Â |
>= 796 Â |
>=955 Â |
398-422 Â |
80°C  |
(14.3-14.8) Â |
( >= 10.0) Â |
( >= 12) Â |
(50-53) Â |
||
33M Â |
1130-1170 Â |
>= 836 Â |
>= 1114 Â |
247-263 Â |
100°C  |
(11.3-11.7) Â Â |
(>= 10.5) Â |
( >= 14) Â |
(31-33) Â |
||
35M Â |
1170-1220 Â |
>= 868 Â |
>= 1114 Â |
263-287 Â |
100°C  |
(11.7-12.2) Â |
( >= 10.9) Â |
( >= 14) Â Â |
(33-36) Â |
||
38M Â |
1220-1250 Â |
>= 899 Â |
>= 1114 Â |
287-310 Â |
100°C  |
(12.2-12.5) Â |
( >= 11.3) Â |
( >= 14) Â |
(36-39) Â |
||
40M Â |
1250-1280 Â |
>= 923 Â |
>= 1114 Â |
302-326 Â |
100°C  |
(12.5-12.8) Â |
( >= 11.6) Â |
( >= 14) Â |
(38-41) Â |
||
42M Â |
1280-1320 Â |
>= 955 Â Â |
>= 1114 Â Â |
318-342 Â Â |
100°C  |
(12.8-13.2) Â |
( >= 12.0) Â |
( >= 14) Â |
(40-43) Â |
||
45M Â |
1320-1380 Â |
>= 995 Â |
>= 1114 Â |
342-366 Â |
100°C  |
(13.2-13.8) Â |
( >= 12.5) Â |
( >= 14) Â |
(43-46) Â |
||
48M Â |
1360-1430 Â |
>= 1027 Â |
>= 1114 Â |
366-390 Â |
100°C  |
(13.6-14.3) Â |
( >= 12.9) Â |
( >= 14) Â |
(46-49) Â |
||
50M Â |
1400-1450 Â |
>= 1033 Â |
>= 1114 Â |
382-406 Â |
100°C  |
(14.0-14.5) Â |
( >= 13.0) Â |
( >= 14) Â |
(48-51) Â |
||
35H Â |
1170-1220 Â |
>= 868 Â |
>= 1353 Â |
263-287 Â |
120°C  |
(11.7-12.2) Â |
( >= 10.9) Â |
( >= 17) Â |
(33-36) Â |
||
38H Â |
1220-1250 Â |
>= 899 Â |
>= 1353 Â |
287-310 Â |
120°C  |
(12.2-12.5) Â |
( >= 11.3) Â |
( >= 17) Â |
(36-39) Â |
||
40H Â |
1250-1280 Â |
>= 923 Â |
>= 1353 Â |
302-326 Â |
120°C  |
(12.5-12.8) Â |
( >= 11.6) Â |
( >= 17) Â |
(38-41) Â |
||
42H Â |
1280-1320 Â |
>= 955 Â |
>= 1353 Â |
318-342 Â |
120°C  |
(12.8-13.2) Â |
( >= 12.0) Â |
( >= 17) Â |
(40-43) Â |
||
45H Â |
1320-1360 Â |
>= 963 Â |
>= 1353 Â |
326-358 Â |
120°C  |
(13.2-13.6) Â |
( >= 12.1) Â |
( >= 17) Â |
(43-46) Â |
||
48H Â |
1370-1430 Â |
>= 995 Â |
>= 1353 Â |
366-390 Â |
120°C  |
(13.7-14.3) Â |
( >= 12.5) Â |
( >= 17) Â |
(46-49) Â |
||
35SH Â |
1170-1220 Â |
>= 876 Â |
>= 1592 Â |
263-287 Â |
150°C  |
(11.7-12.2) Â |
( >= 11.0) Â |
( >= 20) Â |
(33-36) Â |
||
38SH Â |
1220-1250 Â |
>= 907 Â |
>= 1592 Â |
287-310 Â |
150°C  |
(12.2-12.5) Â |
( >= 11.4) Â |
( >= 20) Â |
(36-39) Â |
||
40SH Â |
1240-1280 Â |
>= 939 Â |
>= 1592 Â |
302-326 Â |
150°C  |
(12.5-12.8) Â |
( >= 11.8) Â |
( >= 20) Â |
(38-41) Â |
||
42SH Â |
1280-1320 Â |
>= 987 Â |
>= 1592 Â |
318-342 Â |
150°C  |
(12.8-13.2) Â |
( >= 12.4) Â |
( >= 20) Â |
(40-43) Â |
||
45SH Â |
1320-1380 Â |
>= 1003 Â |
>= 1592 Â |
342-366 Â |
150°C  |
(13.2-13.8) Â |
( >= 12.6) Â |
( >= 20) Â |
(43-46) Â |
||
28UH Â |
1020-1080 Â |
>= 764 Â |
>= 1990 Â |
207-231 Â |
180°C  |
(10.2-10.8) Â |
( >= 9.6) Â |
( >= 25) Â |
(26-29) Â |
||
30UH Â |
1080-1130 Â |
>= 812 Â |
>= 1990 Â |
223-247 Â |
180°C  |
(10.8-11.3) Â |
( >= 10.2) Â |
( >= 25) Â |
(28-31) Â |
||
33UH Â |
1130-1170 Â |
>= 852 Â |
>= 1990 Â |
247-271 Â |
180°C  |
(11.3-11.7) Â |
( >= 10.7) Â |
( >= 25) Â |
(31-34) Â |
||
35UH Â |
1180-1220 Â |
>= 860 Â |
>= 1990 Â |
263-287 Â |
180°C  |
(11.8-12.2) Â |
( >= 10.8) Â |
( >= 25) Â |
(33-36) Â |
||
38UH Â |
1220-1250 Â |
>= 876 Â |
>= 1990 Â |
287-310 Â |
180°C  |
(12.2-12.5) Â |
( >= 11.0) Â |
( >= 25) Â |
(36-39) Â |
||
40UH Â |
1240-1280 Â |
>= 899 Â |
>= 1990 Â |
302-326 Â |
180°C  |
(12.5-12.8) Â |
( >=11.3) Â |
( >= 25) Â |
(38-41) Â |
||
28EH Â |
1040-1090 Â |
>= 780 Â |
>= 2388 Â |
207-231 Â |
200°C  |
(10.4-10.9) Â |
( >= 9.8) Â |
( >= 30) Â |
(26-29) Â |
||
30EH Â |
1080-1130 Â |
>= 812 Â |
>= 2388 Â |
223-247 Â |
200°C  |
(10.8-11.3) Â |
( >= 10.2) Â |
( >= 30) Â |
(28-31) Â |
||
33EH Â |
1130-1170 Â |
>= 876 Â |
>= 2388 Â |
247-271 Â |
200°C  |
(11.3-11.7) Â |
( >= 10.5) Â |
( >= 30) Â |
(31-34) Â |
||
35EH Â |
1170-1220 Â |
>= 876 Â |
>= 2388 Â |
263-287 Â |
200°C  |
(11.7-12.2) Â |
( >= 11.0) Â |
( >= 30) Â |
(33-36) Â |
||
38EH Â |
1220-1250 Â |
>= 899 Â |
>= 2388 Â |
287-310 Â |
200°C  |
(12.2-12.5) Â |
( >= 11.3) Â |
( >= 30) Â |
(36-39) Â |
||
28AH Â |
1040-1090 Â |
>=787 Â |
>= 2624 Â |
207-231 Â |
230°C  |
(10.4-10.9) Â |
( >= 9.9) Â |
( >= 33) Â |
(26-29) Â |
||
30AH Â |
(26-29) Â |
>=819 Â |
>= 2624 Â |
223-247 Â |
230°C  |
(10.8-11.3) Â |
( >= 10.3) Â |
( >= 33) Â |
(28-31) Â |
||
33AH Â |
1130-1170 Â |
>= 843 Â |
>= 2624 Â |
247-271 Â |
230°C  |
(11.3-11.7) Â |
(>= 10.6) Â |
( >= 33) Â |
(31-34) Â |
||
 Note: @ The above-mentioned data of magnetic parameters and physical properties are given at room temperature. @ The maximum working temperature of magnet is changeable due to ratio of length and diameter and environment factors |
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