Basic Info.
Model NO.
N48
Certificate
Ce/RoHS/SGS
Quality System-1
ISO/Ts16949:2009
Model Number
N38
Magnetization Direction
Axial/Radial/Multi-Poles Magnetization
Magnetic Properties
80degree Centigrade
Transportation
All Available Shipping Ways Could Be Applied, by C
Tolerance
+/- 0.05mm
Lead Time
3-25days
Transport Package
as Client′s Request
Specification
as Client′s Request
Trademark
GME
Origin
Zhejiang Ningbo/ Fujian Xiamen
HS Code
8505111000
Production Capacity
3000 Tons
Product Description
NdFeB Magnetic Rings for 18 inches double magnet speaker
USP:
Size:as Client's Request
Coating: as Client's Request
Lead Time:2-22Days
Samples: Yes
Certificate: CE/ROHS/SGS
Payment: T/T, PayPal, Western Union
USP:
Size:as Client's Request
Coating: as Client's Request
Lead Time:2-22Days
Samples: Yes
Certificate: CE/ROHS/SGS
Payment: T/T, PayPal, Western Union
| Description | Sintered Rare Earth Magnets | |
| Material | Neodymium-Iron-Boron | |
| Working Temperature | Grade | Max. Operating Temperatures |
| N35-N52 | 80°C (176°F) | |
| 33M- 48M | 100°C (212°F) | |
| 33H-48H | 120°C (248°F) | |
| 30SH-45SH | 150°C (302°F) | |
| 30UH-40UH | 180°C (356°F) | |
| 28EH-38EH | 200°C (392°F) | |
| 28AH-35AH | 220°C (428°F) | |
| Magnet Shape | Disc, Cylinder, Block, Ring, Countersunk, Segment, Trapezoid, Irregular shapes and more. Customized shapes for Rare Earth Magnets are available. | |
| Magnet Coating | Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and more. | |
| Technology Advantage | Depending on advanced R&D center, Quality control team and professional machining technicians, we can surpass our competitors in the stability of quality and superiority of property. | |
| Delivery Advantage | The lead time must be 2-5 days quicker than industry average because of more flexible machine process control. | |
| Price Advantage | The price is 5-10% cheaper than industry average because of an excellent and efficient management system. | |
| Application | Rare Earth Magnets are widely used in many fields, such as motors, sensors, microphones, wind turbines, wind generators, VCMs in hard disk drives, printer, switchboard, loudspeakers, magnetic separation, magnetic hooks, magnetic holder, magnetic chuck, common daily use, and so on. | |
| Great Magtech Electric offers excellent selection of magnetic assembly, magnetic tool and magnetic equipment for home use, office use, industrial use, computer use and so on. Both our office and factory are located in Ningbo which is very developed city and very big seaport. We provides you an extensive range of magnetic assembly, magnetic tool and magnetic equipment. Containing our excellent original design, every product is elaborately produced by our factory. When you use them, you feel so comfortable and wonderful. These tools and assemblies are widely used in your daily life by helping you clean scrap iron and other debris, lift up heavy items and fix objects firmly. And they even have more functions you've never thought of. We appreciate your enquiry and we will give you incomparably good product and services. Welcome to be our distributor. The high quality of our products and the considerate after-sale service will make your business more and more prosperous. If you want to purchase magnetic assembly, magnetic tool and magnetic equipment, please feel free to contact us. | ||
| Some Coatings of Rare Earth Magnets: | ||||
| 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 | ||||
| Zinc | Zn | 8-20 | Bright Blue | Good Against Salt Spray |
| C-Zn | Shinny Color | Excellent Against Salt Spray | ||
| Tin | Ni+Cu+Sn | 15-20 | Silver | Superior Against Humidity |
| Gold | Ni+Cu+Au | 10-20 | Gold | Superior Against Humidity |
| Copper | Ni+Cu | 10-20 | Gold | Temporary Protection |
| Epoxy | Epoxy | 15-25 | Black, Red, Grey | Excellent Against Humidity & Salt Spray |
| Ni+Cu+Epoxy | ||||
| Zn+Epoxy | ||||
| Chemical | Ni | 10-20 | Silver Grey | Excellent Against Humidity |
| Parylene | Parylene | 5-20 | Grey | Excellent Against Humidity, Salt Spray. Superior Against Solvents, Gases, Fungi and Bacteria. |
