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Super Neodymium Magnets

Rare earth magnets with large size or high magnetic energy products are known as super strong magnets or super powerful magnets. Large neodymium magnets are known worldwide people as super strong magnets.


Available surface treatment for super neodymium magnets


Because the main component of a super neodymium magnet is iron, and iron is easy to oxidize, so the anti-corrosion ability of a super neodymium magnet is poor, and the surface must be coated before it can be used for a long time. Please refer to the table below to select the right coating of super magnet neodymium for your application.


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

Resistance

Parylene

Parylene

5-20

Grey

Excellent Against Humidity

Chemical

Ni

10-20

Silver Grey

Excellent Against Humidity



Caution is necessary for super strong neodymium magnets


There is a strong magnetic field around the super-strong neodymium magnets. Any electronic products and all kinds of magnetic cards within the magnetic field range will be damaged. It is necessary to use professional tools to split super strong neodymium magnets, and they must not be split by hand, otherwise, the magnets will be damaged due to the collision of super-strong suction, and even hurt the fingers. You should be careful when operating a super-strong neodymium magnet, otherwise, it will cause harm to the body due to strong suction.


The grade for super-powerful neodymium magnets


We not only have a full-size range of super-powerful magnets for sale but also provide a full grade range for each size of super-powerful magnet neodymium. The highest available grade for super strong neodymium magnets is N52, Please refer to the table below to select the right grade of the super neodymium magnets for your applications.


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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