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Neodymium Rod Magnets

Rare earth neodymium magnets are given different name according to the shapes, long and round shape sintered NdFeB magnets are give the name of rare earth neodymium(NdFeB) rod magnets...



Surface Electroplating Treatment is Required for Strong NdFeB Rod Magnets


Rare earth neodymium(NdFeB) rod magnets are not waterproof, and electroplating is needed for rust-resistant, generally including zinc plating, nickel, environmental protection zinc, environmental protection nickel, nickel copper nickel, environmental protection nickel copper nickel,epoxy coating etc.


Surface

Coating

Thickness (Microns)

Color

Resistance

Passivation


1

Silver Grey

Temporary Protection

Nickel

Ni+Ni

10-20

Bright Silver

Excellent Against Humidity

Ni+Cu+Ni

Good Against Salt Spray

Zinc

Zn

8-20

Bright Blue

Excellent Against Salt Spray

C-Zn

Shinny Color

Superior Against Humidity

Tin

Ni+Cu+Sn

15-20

Silver

Superior Against Humidity

Silver

Ni+Cu+Ag

10-20

Silver

Superior Against Humidity

Gold

Ni+Cu+Au

10-20

Gold

Temporary Protection

Copper

Ni+Cu

10-20

Gold

Excellent Against Humidity&Salt Spray

Epoxy

Epoxy

15-25

Black,Red,Grey

Excellent Against Humidity,Salt Spray,Superior Against Solvents,Gases, Fungi and Bacteria,FDA Approved

Ni+Cu+Epoxy

Excellent Against Humidity

Zn+Epoxy


Parylene

Parylene

5-20

Grey

Excellent Against Humidity

Chemical

Ni

10-20

Silver Grey

Excellent Against Humidity



Magnetization Direction of Powerful Neodymium Magnetic Rods


The normal magnetized direction of powerful neodymium(NdFeB) magnet rod is generally divided into axially magnetized and diametrally magnetized, which is determined according to the required working face.


Custom Rare Earth Rod Shaped Magnets


NdFeB rod magnets are custom products, sintered Nd-Fe-B material has good machinability and can be customized into different sizes of magnet rods, exact mould is not needed for customizing strong neodymium rod magnets. We can customize micro and large size neodymium rod magnets for any quantity.


Maximum Working Temperature of Strong Neodymium Rod Magnets for Different Grade


Neodymium Material Grade

Maximum Working Temp.

Curie Temp.

N(N35,N38,N40,N42,N45,N48,N50,N52)

176°F (80°C)

590°F (310°C)

N-M(N35M,N38M,N40M,N42M,N45M,N48M,N50M,N52M)

212°F (100°C)

644°F (340°C)

N-H(N35H,N38H,N40H,N42H,N45H,N48H,N50H)

248°F (120°C)

644°F (340°C)

N-SH(N35SH,N38SH,N40H,N42SH,N45SH,N48SH)

302°F (150°C)

644°F (340°C)

N-UH(N28UH,N30UH,N33UH,N35UH,N38UH,N40UH,N42UH)

356°F (180°C)

662°F (350°C)

N-EH(N28EH,N30EH,N33EH,N35EH,N38EH,N40EH)

392°F (200°C)

662°F (350°C)

N-AH(N28AH,N33AH,N35AH,N38AH)

428°F (230°C)

662°F (350°C)




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