NdFeB Magnetic for Fridge& Gold Plated Magnets

• Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
• Shape: Ball
• Coating: Zinc
• Grade: N35-N54-36H
• Size: Acceptable Custom
• Application Field: Electronic Component
• Model NO.: n50
• Type: Permanent
• Composition: NdFeB Magnet
• Transport Package: According to Your Request
• Specification: RoHs
• Trademark: COCO
• Origin: Zhejiang Ningbo China
• Production Capacity: 2000t/Y

Product Description

Product Name: Ndfeb magnetic for fridge& Gold Plated Magnets


Magnets grade: N50.
Magnets size: As the drawing
Magnets coating: Gold
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.