The magnets made from rare earth material are classified as strong magnets, neodymium magnet is the strongest permanent magnet at present, and has various excellent magnetic properties.
Strong magnets neodymium has played an irreplaceable role in various fields of modern industry. We have a wide type range of strong magnets for sale, which can meet the various applications.
Although strong neodymium magnets have many better magnetic properties than other strong permanent magnets, they are not rustproof, because their main component iron is easy to oxidize, the surface coating protection is very necessary and important when you use strong neodymium magnets. Please select the appropriate coating according to the table below.
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 |
All rare earth magnet materials are very brittle, especially NdFeB materials are more fragile. Every incorrect operation in the process of use will cause the magnet to break. Because of the super-strong suction, big and strong rare earth magnets are easy to cause body damage when they collide with each other, so be careful when using and operating magnets. Please read the safety neodymium information for more danger of strong neodymium rare earth magnets.
Meank does well in customize strong magnets, you can buy a full grade range of strong neodymium from us. The table below lists out all grades and the maximum working temp for each grade, please refer to this material grade table to select the correct grade for your application.
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) |
Buy strong neodymium magnets from Meank, we supply strong neodymium magnets with standard magnetic performance, we supply cheap strong magnets.
The permanent magnets with large size and highest magnetic energy products are the strongest magnets, large neodymium magnet N52 is known as the strongest magnets.
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