• Loudspeaker Magnets & Motor Magnets & NdFeB Magnet
  • Loudspeaker Magnets & Motor Magnets & NdFeB Magnet
  • Loudspeaker Magnets & Motor Magnets & NdFeB Magnet
  • Loudspeaker Magnets & Motor Magnets & NdFeB Magnet
  • Loudspeaker Magnets & Motor Magnets & NdFeB Magnet
  • Loudspeaker Magnets & Motor Magnets & NdFeB Magnet

Loudspeaker Magnets & Motor Magnets & NdFeB Magnet

Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
Shape: Ring
Coating: Zinc
Grade: N35-N54-36H
Size: Acceptable Custom
Application Field: Permanent-Magnet Loudspeaker
Customization:

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Basic Info.

Model NO.
coco
Type
Permanent
Composition
NdFeB Magnet
Transport Package
According to Your Request
Specification
RoHs
Trademark
COCO
Origin
Zhejiang Ningbo China
HS Code
3352968184
Production Capacity
2000t/Y

Product Description

Product Name: Loudspeaker Magnets& motor magnets& NdFeB magnet for sale

Magnets grade: 35sh.
Magnets size: As the drawing
Magnets coating: Nickel,
Quantities: More mass order quantities. More Lower the prices.
Original factory.

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Magnetic  properties  of  Sintered  Neodymium  Magnet  (NdFeB  magnet):
Grade Remanence Coercive  Force Intrinsic Coercive  Force Max.   energy  product Max. Operating Temperature
Br mT (kGs) Hcb kA/m (kOe) Hcj kA/m (kOe) (  BH  )max  kJ/m 3 (MGOe) Tw
N35 1170-1220 (11.7-12.2) ≥   868 (  ≥   10.9) ≥   955 (  ≥   12) 263-287 (33-36) 80  deg
N38 1220-1250 (12.2-12.5) ≥   899 (  ≥   11.3) ≥   955 (  ≥   12) 287-310 (36-39) 80  deg
N40 1250-1280 (12.5-12.8) ≥   907 (  ≥   11.4) ≥   955 (  ≥   12) 302-326 (38-41) 80  deg
N42 1280-1320 (12.8-13.2) ≥   915 (  ≥   11.5) ≥   955 (  ≥   12) 318-342 (40-43) 80  deg
N45 1320-1380 (13.2-13.8) ≥   923 (  ≥   11.6) ≥   955 (  ≥   12) 342-366 (43-46) 80  deg
N48 1380-1420 (13.8-14.2) ≥   923 (  ≥   11.6) ≥   876 (  ≥   12) 366-390 (46-49) 80  deg
N50 1400-1450 (14.0-14.5) ≥   796 (  ≥   10.0) ≥   876 (  ≥   11) 382-406 (48-51) 60  deg
N52 1430-1480 (14.3-14.8) ≥   796 (  ≥   10.0) ≥   876 (  ≥   11) 398-422 (50-53) 60  deg
30M 1080-1130 (10.8-11.3) ≥   796 (  ≥   10.0) ≥   1114 (  ≥   14) 223-247 (28-31) 100 deg
33M 1130-1170 (11.3-11.7) ≥   836 (  ≥   10.5) ≥   1114 (  ≥   14) 247-263 (31-33) 100 deg
35M 1170-1220 (11.7-12.2) ≥   868 (  ≥   10.9) ≥   1114 (  ≥   14) 263-287 (33-36) 100 deg
38M 1220-1250 (12.2-12.5) ≥   899 (  ≥   11.3) ≥   1114 (  ≥   14) 287-310 (36-39) 100 deg
40M 1250-1280 (12.5-12.8) ≥   923 (  ≥   11.6) ≥   1114 (  ≥   14) 302-326 (38-41) 100 deg
42M 1280-1320 (12.8-13.2) ≥   955 (  ≥   12.0) ≥   1114 (  ≥   14) 318-342 (40-43) 100 deg
45M 1320-1380 (13.2-13.8) ≥   995 (  ≥   12.5) ≥   1114 (  ≥   14) 342-366 (43-46) 100 deg
48M 1360-1430 (13.6-14.3) ≥   1027 (  ≥   12.9) ≥   1114 (  ≥   14) 366-390 (46-49) 100 deg
50M 1400-1450 (14.0-14.5) ≥   1033 (  ≥   13.0) ≥   1114 (  ≥   14) 382-406 (48-51) 100 deg
30H 1080-1130 (10.8-11.3) ≥   796 (  ≥   10.0) ≥   1353 (  ≥   17) 223-247 (28-31) 120 deg
33H 1130-1170 (11.3-11.7) ≥   836 (  ≥   10.5) ≥   1353 (  ≥   17) 247-271 (31-34) 120 deg
35H 1170-1220 (11.7-12.2) ≥   868 (  ≥   10.9) ≥   1353 (  ≥   17) 263-287 (33-36) 120 deg
38H 1220-1250 (12.2-12.5) ≥   899 (  ≥   11.3) ≥   1353 (  ≥   17) 287-310 (36-39) 120 deg
40H 1250-1280 (12.5-12.8) ≥   923 (  ≥   11.6) ≥   1353 (  ≥   17) 302-326 (38-41) 120 deg
42H 1280-1320 (12.8-13.2) ≥   955 (  ≥   12.0) ≥   1353 (  ≥   17) 318-342 (40-43) 120 deg
45H 1300-1360 (13-13.6) ≥   963 (  ≥   12.1) ≥   1353 (  ≥   17) 326-358 (43-46) 120 deg
48H 1370-1430 (13.7-14.3) ≥   995 (  ≥   12.5) ≥   1353 (  ≥   17) 366-390 (46-49) 120 deg
30SH 1080-1130 (10.8-11.3) ≥   804 (  ≥   10.1) ≥   1592 (  ≥   20) 223-247 (28-31) 150 deg
33SH 1130-1170 (11.3-11.7) ≥   844 (  ≥   10.6) ≥   1592 (  ≥   20) 247-271 (31-34) 150 deg
35SH 1170-1220 (11.7-12.2) ≥   876 (  ≥   11.0) ≥   1592 (  ≥   20) 263-287 (33-36) 150 deg
38SH 1220-1250 (12.2-12.5) ≥   907 (  ≥   11.4) ≥   1592 (  ≥   20) 287-310 (36-39) 150 deg
40SH 1240-1280 (12.5-12.8) ≥   939 (  ≥   11.8) ≥   1592 (  ≥   20) 302-326 (38-41) 150 deg
42SH 1280-1320 (12.8-13.2) ≥   987 (  ≥   12.4) ≥   1592 (  ≥   20) 318-342 (40-43) 150 deg
45SH 1320-1380 (13.2-13.8) ≥   1003 (  ≥   12.6) ≥   1592 (  ≥   20) 342-366 (43-46) 150 deg
28UH 1020-1080  (10.2-10.8) ≥   764 (  ≥   9.6) ≥   1990 (  ≥   25) 207-231 (26-29) 180 deg
30UH 1080-1130  (10.8-11.3) ≥   812 (  ≥   10.2) ≥   1990 (  ≥   25) 223-247 (28-31) 180 deg
33UH 1130-1170 (11.3-11.7) ≥   852 (  ≥   10.7) ≥   1990 (  ≥   25) 247-271 (31-34) 180 deg
35UH 1180-1220 (11.8-12.2) ≥   860 (  ≥   10.8) ≥   1990 (  ≥   25) 263-287 (33-36) 180 deg
38UH 1220-1250 (12.2-12.5) ≥   876 (  ≥   11.0) ≥   1990 (  ≥   25) 287-310 (36-39) 180 deg
40UH 1240-1280 (12.5-12.8) ≥   899 (  ≥   11.3) ≥   1990 (  ≥   25) 302-326 (38-41) 180 deg
28EH 1040-1090 (10.4-10.9) ≥   780 (  ≥   9.8) ≥   2388 (  ≥   30) 207-231 (26-29) 200 deg
30EH 1080-1130  (10.8-11.3) ≥   812 (  ≥   10.2) ≥   2388 (  ≥   30) 223-247 (28-31) 200 deg
33EH 1130-1170 (11.3-11.7) ≥   836 (  ≥   10.5) ≥   2388 (  ≥   30) 247-271 (31-34) 200 deg
35EH 1170-1220 (11.7-12.2) ≥   876 (  ≥   11.0) ≥   2388 (  ≥   30) 263-287 (33-36) 200 deg
38EH 1220-1250 (12.2-12.5) ≥   899 (  ≥   11.3) ≥   2388 (  ≥   30) 287-310 (36-39) 200 deg
30AH 1080-1120 (10.8-11.2) ≥   812 (  ≥   10.2) ≥   2785 (  ≥   35) 223-255 (28-32) 220 deg
33AH 1120-1170 (11.2-11.7) ≥   812 (  ≥   10.2) ≥   2785 (  ≥   35) 247-271 (31-34) 220 deg
Physical  and  Mechanical  Properties  of  Neodymium  Magnet:          
Thermal  Conductivity 7.7  kcal/m-h-° C
Young' s  Modulus 1.7  x  104  kg/mm2
Bending  Strength 24  kg/mm2
Compressive  Strength 80  kg/mm2
Electrical  Resistivity 160  µ -ohm-cm/cm2
Density 7.4-7.55  g/cm3
Vickers  Hardness 500  -  600
Available  coatings  for  sintered  Neodymium  Magnet  (NdFeB  magnet):
Available  Coatings:  
Surface Coating Thickness  (Microns) Color Resistance  
Passivation   1 Silver  Grey Temporary  Protection  
Nickel Ni+Ni 10.0-20 Bright  Silver Excellent  against  Humidity  
Ni+Cu+Ni  
Zinc Zn 8.0-20 Bright  Blue Good  Against  Salt  Spray  
C-Zn Shinny  Color Excellent  Against  Salt  Spray  
Tin Ni+Cu+Sn 15-20 Silver Superior  Against  Humidity  
Gold Ni+Cu+Au 10.0-20 Gold Superior  Against  Humidity  
Copper Ni+Cu 10.0-20 Gold Temporary  Protection  
Epoxy Epoxy 15-25 Black,   Red,   Grey Excellent  Against  Humidity &   Salt  Spray  
Ni+Cu+Epoxy  
Zn+Epoxy  
Chemical Ni 10.0-20 Silver  Grey Excellent  Against  Humidity  
Parylene Parylene 5.0-20 Grey Excellent  Against  Humidity,   Salt  Spray. Superior  Against  Solvents, Gases,   Fungi and  Bacteria. FDA  Approved.

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