Sintered NdFeB magnets are the most powerful permanent magnetic materials commercially available, possessing high energy ranging from 30 MGOe to 50MGOe and wonderful coercive force. As the third generation of Rare Earth permanent magnets,
NdFeB magnets are less brittle than SmCo. Sintered NdFeB has been widely used in high performance stepper, DC, servo, and linear motors, actuators, loudspeakers, headphones, instrumentation, switches, relays, magnetic imaging for medical and geophysical applications, holding systems, magnetic bearings, magnetic couplings, hard disk drives, etc..
Excellent demagnetization resistance capability.
2. Certification: ISO9001:2008;
3. Magnetic properties:
a) High coercive force,
b) (BH)max from 33 to 53MGOe,
c) Max working temperature up to 230°C;
4. Grades: N33-N52,33M-48M,33H-48H,30SH-45SH,30UH-38UH, 30EH-35EH;
5. Shapes: Arc/Segment, or others;
6. Sizes: R x r x H x Degree, Customized;
7. Applications: Sensors, Motors, Rotors, Wind turbines/wind generators, Loudspeakers, Magnetic hooks,
Magnetic holder, Filters.
The Magnetic Properties of Neodymium Permanent Magnete Super Strong Magneti Neodimio Rare Earth Aimant Neodyme:
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Grade | Remanence | Coercivity Force | Intrinsic Coercive Force | Max. Energy Product | maximum Operating Temp. | Br | Hcb | Hcj | ( BH ) max | mT | kGs | kA/m | kOe | kA/m | kOe | kJ/m3 | MGOe | N35 | 1170-1220 | 11.7-12.2 | ≥868 | ≥10.9 | ≥955 | ≥12 | 263-287 | 33-36 | 80 ℃ | N38 | 1220-1250 | 12.2-12.5 | ≥899 | ≥11.3 | ≥955 | ≥12 | 287-310 | 36-39 | 80 ℃ | N40 | 1250-1280 | 12.5-12.8 | ≥907 | ≥11.4 | ≥955 | ≥12 | 302-326 | 38-41 | 80 ℃ | N42 | 1280-1320 | 12.8-13.2 | ≥915 | ≥11.5 | ≥955 | ≥12 | 318-342 | 40-43 | 80 ℃ | N45 | 1320-1380 | 13.2-13.8 | ≥923 | ≥11.6 | ≥955 | ≥12 | 342-366 | 43-46 | 80 ℃ | N48 | 1380-1420 | 13.8-14.2 | ≥923 | ≥11.6 | ≥876 | ≥12 | 366-390 | 46-49 | 80 ℃ | N50 | 1400-1450 | 14.0-14.5 | ≥796 | ≥10.0 | ≥876 | ≥11 | 382-406 | 48-51 | 60 ℃ | N52 | 1430-1480 | 14.3-14.8 | ≥796 | ≥10.0 | ≥876 | ≥11 | 398-422 | 50-53 | 60 ℃ | 33M | 1130-1170 | 11.3-11.7 | ≥836 | ≥10.5 | ≥1114 | ≥14 | 247-263 | 31-33 | 100 ℃ | 35M | 1170-1220 | 11.7-12.2 | ≥868 | ≥10.9 | ≥1114 | ≥14 | 263-287 | 33-36 | 100 ℃ | 38M | 1220-1250 | 12.2-12.5 | ≥899 | ≥11.3 | ≥1114 | ≥14 | 287-310 | 36-39 | 100 ℃ | 40M | 1250-1280 | 12.5-12.8 | ≥923 | ≥11.6 | ≥1114 | ≥14 | 302-326 | 38-41 | 100 ℃ | 42M | 1280-1320 | 12.8-13.2 | ≥955 | ≥12.0 | ≥1114 | ≥14 | 318-342 | 40-43 | 100 ℃ | 45M | 1320-1380 | 13.2-13.8 | ≥995 | ≥12.5 | ≥1114 | ≥14 | 342-366 | 43-46 | 100 ℃ | 48M | 1360-1430 | 13.6-14.3 | ≥1027 | ≥12.9 | ≥1114 | ≥14 | 366-390 | 46-49 | 100 ℃ | 50M | 1400-1450 | 14.0-14.5 | ≥1033 | ≥13.0 | ≥1114 | ≥14 | 382-406 | 48-51 | 100 ℃ | 33H | 1130-1170 | 11.3-11.7 | ≥836 | ≥10.5 | ≥1353 | ≥17 | 247-271 | 31-34 | 120 ℃ | 35H | 1170-1220 | 11.7-12.2 | ≥868 | ≥10.9 | ≥1353 | ≥17 | 263-287 | 33-36 | 120 ℃ | 38H | 1220-1250 | 12.2-12.5 | ≥899 | ≥11.3 | ≥1353 | ≥17 | 287-310 | 36-39 | 120 ℃ | 40H | 1250-1280 | 12.5-12.8 | ≥923 | ≥11.6 | ≥1353 | ≥17 | 302-326 | 38-41 | 120 ℃ | 42H | 1280-1320 | 12.8-13.2 | ≥955 | ≥12.0 | ≥1353 | ≥17 | 318-342 | 40-43 | 120 ℃ | 45H | 1300-1360 | 13-13.6 | ≥963 | ≥12.1 | ≥1353 | ≥17 | 326-358 | 43-46 | 120 ℃ | 48H | 1370-1430 | 13.7-14.3 | ≥995 | ≥12.5 | ≥1353 | ≥17 | 366-390 | 46-49 | 120 ℃ | 33SH | 1130-1170 | 11.3-11.7 | ≥844 | ≥10.6 | ≥1592 | ≥20 | 247-271 | 31-34 | 150 ℃ | 35SH | 1170-1220 | 11.7-12.2 | ≥876 | ≥11.0 | ≥1592 | ≥20 | 263-287 | 33-36 | 150 ℃ | 38SH | 1220-1250 | 12.2-12.5 | ≥907 | ≥11.4 | ≥1592 | ≥20 | 287-310 | 36-39 | 150 ℃ | 40SH | 1240-1280 | 12.5-12.8 | ≥939 | ≥11.8 | ≥1592 | ≥20 | 302-326 | 38-41 | 150 ℃ | 42SH | 1280-1320 | 12.8-13.2 | ≥987 | ≥12.4 | ≥1592 | ≥20 | 318-342 | 40-43 | 150 ℃ | 45SH | 1320-1380 | 13.2-13.8 | ≥1003 | ≥12.6 | ≥1592 | ≥20 | 342-366 | 43-46 | 150 ℃ | 28UH | 1020-1080 | 10.2-10.8 | ≥764 | ≥9.6 | ≥1990 | ≥25 | 207-231 | 26-29 | 180 ℃ | 30UH | 1080-1130 | 10.8-11.3 | ≥812 | ≥10.2 | ≥1990 | ≥25 | 223-247 | 28-31 | 180 ℃ | 33UH | 1130-1170 | 11.3-11.7 | ≥852 | ≥10.7 | ≥1990 | ≥25 | 247-271 | 31-34 | 180 ℃ | 35UH | 1180-1220 | 11.8-12.2 | ≥860 | ≥10.8 | ≥1990 | ≥25 | 263-287 | 33-36 | 180 ℃ | 38UH | 1220-1250 | 12.2-12.5 | ≥876 | ≥11.0 | ≥1990 | ≥25 | 287-310 | 36-39 | 180 ℃ | 40UH | 1240-1280 | 12.5-12.8 | ≥899 | ≥11.3 | ≥1990 | ≥25 | 302-326 | 38-41 | 180 ℃ | 42UH | 1280-1320 | 12.8-13.2 | ≥899 | ≥11.3 | ≥1990 | ≥25 | 318-342 | 40-43 | 180 ℃ | 28EH | 1040-1090 | 10.4-10.9 | ≥780 | ≥9.8 | ≥2388 | ≥30 | 207-231 | 26-29 | 200 ℃ | 30EH | 1080-1130 | 10.8-11.3 | ≥812 | ≥10.2 | ≥2388 | ≥30 | 223-247 | 28-31 | 200 ℃ | 33EH | 1130-1170 | 11.3-11.7 | ≥836 | ≥10.5 | ≥2388 | ≥30 | 247-271 | 31-34 | 200 ℃ | 35EH | 1170-1220 | 11.7-12.2 | ≥876 | ≥11.0 | ≥2388 | ≥30 | 263-287 | 33-36 | 200 ℃ | 38EH | 1220-1250 | 12.2-12.5 | ≥899 | ≥11.3 | ≥2388 | ≥30 | 287-310 | 36-39 | 200 ℃ | 40EH | 1250-1280 | 12.5-12.8 | ≥899 | ≥11.3 | ≥2388 | ≥30 | 287-310 | 38-41 | 200 ℃ | 28AH | 1040-1080 | 10.4-10.8 | ≥787 | ≥9.9 | ≥2624 | ≥33 | 207-231 | 26-29 | 230 ℃ | 30AH | 1080-1130 | 10.8-11.3 | ≥819 | ≥10.3 | ≥2624 | ≥33 | 223-247 | 28-31 | 230 ℃ | 33AH | 1130-1170 | 11.3-11.7 | ≥843 | ≥10.6 | ≥2624 | ≥33 | 247-271 | 31-34 | 230 ℃ | 35AH | 1170-1220 | 11.7-12.2 | ≥876 | ≥11.0 | ≥2624 | ≥33 | 263-287 | 33-36 | 230 ℃ |
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Surface Coatings for Neodymium Rare Earth Magnet Permanent NdFeB Magnete:
Ni-Cu-Ni, Zinc, Gold, Silver, Black Epoxy, Plastic Coating, Rubber Coating, Parylene, etc.
The Surface Coatings of Neodymium Permanent Magnete Super Strong Magneti Neodimio Rare Earth Aimant Neodyme:
Surface | Coating | thickness(um) | Coating Color | SST (hours) | PCT (hours) |
Nickel | Ni+Ni Ni+Cu+Ni | 10~20 | Bright Silvery | 24~72 | 24~72 |
Black Nickel | Ni+Cu+Ni | 10~20 | Bright Black | 48~96 | 48 |
Cr3+Zinc | Zn Cr-Zn | 5~8 | Bright Blue Shining Color | 16~48 36~72 | \ |
Sn | Ni+Cu+Ni+Sn | 10~25 | Silver | 36~72 | 48 |
Au | Ni+Cu+Ni+Au | 10~25 | Gold | 12 | 48 |
Ag | Ni+Cu+Ni+Ag | 10~25 | Silver | 12 | 48 |
Epoxy | Epoxy Ni+Cu+Epoxy | 10-20 15-30 15-25 | Black / Grey | 48 72~108 72~108 | |
Passivation | \ | 1-3 | Dark Grey | Temporary Protection | \ |
Phosphated | \ | 1-3 | Dark Grey | Temporary Protection |
The sample picture: