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The neodymium magnet with length and diameter over 80mm and the are always called large neodymium magnets. Explore Meank's collection of large neodymium magnets, customized for versatile applications. Our range includes various sizes and guarantee optimal performance with rust-resistant surface treatments, ensuring you find the perfect rare earth magnet for your needs.
Due to their susceptibility to rust, large neodymium magnets require surface protection. Choose from our available surface treatments for optimal performance.
| 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 Large Rare Earth Neodymium Strong MagnetsLarge neodymium magnets are incredibly powerful but pose risks if mishandled. Prioritize safety by reading our information on the proper handling and storage of these magnets.
Discover the pinnacle of strength with our N52 grade, the highest available for large rare earth neodymium magnets. Check our table for all available grades and their maximum working temperatures.
| 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) |
At Meank, we prioritize your safety while providing top-quality magnets for diverse applications. Explore the possibilities with our large neodymium magnets today!
Please fill the form to let us know your need. Our sales will get in touch with you ASAP.
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