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You are here: Home » Products » Block Neodymium Magnet » Wholesale 25*22*5mm Strong Neodymium Magnets

Wholesale 25*22*5mm Strong Neodymium Magnets

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  • N40-N52,30M-50M,30H-48H,28SH-45SH,28UH-42UH,28EH-38EH,28AH-33AH
  • N40-N52,30M-50M,30H-48H,28SH-45SH,28UH-42UH,28EH-38EH,28AH-33AH
  • Super
  • 150 longton/month
  • Anhui,China
  • Standard Export Carton
  • piece 25*22*5mm Strong Neodymium Magnets
  • 150 longton/month
  • 1, 25*22*5mm Strong Neodymium Magnets
  • 5 days after deposit
  • 1
  • T/T

Wholesale 25*22*5mm Strong Neodymium Magnets

Product name   25*22*5mm Strong Neodymium Magnets
Material Neodymium iron boron
Grade & working Temperature Grade Max. Operating 
Temperatures
N35-N45 80°C     (176°F)
N48-N52 60°C     (160°F)
35M- 50M 100°C   (212°F)
33H-48H 120°C   (248°F)
33SH-45SH 150°C   (302°F)
30UH-40UH 180°C   (356°F)
28EH-38EH 200°C   (392°F)
28AH-33AH 220°C   (428°F)
Shape Block
Coating Ni, Ni-Cu-Ni, Zn, Ag, epoxy, passivated,etc.
Certificate ISO9001, RoHS, REACH, Halogen testing pass.
Packing Standard sea or air packing, such as carton, iron, wooden box, etc.
Delivery date 5-12 days 
Application Servo motor, brushless motor, texture motor, vibration motor, enerator, pump,
 special 
motor, wind energy, lifter, speaker, magnetics switch, flow mere, CD-ROM, watt-hour meter,NMR, medical devices , separator, sensor, neodymium hard disk drive
 magnets

 applies in computers etc.
 
Wholesale 25*22*5mm Strong Neodymium Magnets

Magnetic Performance

Grade

Remanence

Br mT

(kGs)

Coercive force

HcB KA/m

(KOe)

Magnetic energy product

Max KJ/m3

MGOe

Max.working temperature

N35-N52

1180-1440

836-923

263-406

80°C (176°F)

(11.8-14.4)

(10.8-11.6)

(33-51)

30M-50M

1080-1420

796-1050

223-390

100°C (212°F)

(10.8-14.2)

(10-13.2)

(28-49)

30H-48H

1080-1380

796-1027

223-366

120°C (248°F)

(10.8-13.8)

(10-12.6)

(28-46)

28SH-45SH

1050-1340

764-995

207-342

150°C (302°F)

(10.5-13.4)

(9.6-12)

(26-43)

28UH-42UH

1050-1310

764-923

207-326

180°C (356°F)

(10.5-13.1)

(9.6-11.6)

(26-41)

28EH-38EH

1050-1250

764-868

207-295

200°C (392°F)

(10.5-12.5)

(9.6-10.9)

(26-37)

28AH-33AH

1020-1170

780-836

199-271

220°C (428°F)

 
Coating Characteristics
Plating Type Overall Thickness Salt Spray Test Pressure Cooker Test
NiCuNi(NickelCopper Nickel) 15-21 μm 24 hours 48 hours
NiCu + Black Nickel 15-21 μm 24 hours 48 hours
NiCuNi + Epoxy 20-28 μm 48 hours 72 hours
NiCuNi + Gold 16-23 μm 36 hours 72 hours
NiCuNi + Silver 16-23 μm 24 hours 48 hours
Zinc 7-15 μm 12 hours 24 hours


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