Rare Earth NdFeB Neodymium Ring Iron Boron Magnet for Loudspeaker

Model NO.: MF-364251
Environment: RoHS
Quality System: ISO9001:2000
Packaging Details: Pallets, Carton, Standard Export Packing
OEM: Yes
Item: Rare Earth NdFeB Neodymium Ring Iron Boron Magnet
Delivery Details: 10-15 Days
Trademark: Magforever
Transport Package: Carton, Pallet
Specification: 38*27*15 cm
Origin: Zhejiang, China
HS Code: 8505190090
Rare earth NdFeB Neodymium Ring Iron Boron Magnet for Loudspeaker

Picture profile:
Rare Earth NdFeB Neodymium Ring Iron Boron Magnet for Loudspeaker

1) Material: Sintered Neodymium-Iron-Boron; 
2) Temperature: the max operating temp is up to 200-degree centigrade or 380 Curie temperature; 
3) Grade: N33-N52, 33M-48M, 33H-48H, 30SH-45SH, 30UH-38UH and 30EH-35EH; 
4) Shape: ring, block, disc, bar and so on; 
5) Size: according to customers' request; 
6) Coating: Ni, Zn, gold, copper, epoxy and so on; 
7) Application: sensors, motors, rotors, wind turbines, wind generators, loudspeakers, 
magnetic hooks, magnetic holder, filters automobiles and so on; 
Performance range of products:
  * Surface Gauss>5000Gs
 * Br: 10.4 to 14.3KGs
 * Hcj: 11 to 35Koe
 * BHmax: 26 to 53MGOe
 * Working Temp: 80°C-220°C 

Shape: Disc, Ring, Block, Segment, Cylinder, Trapezoid, Customized Design
(Design proper magnets for clients specific requirements)  
Tolerance: 
+/-0.05mm for small dimensions; 
+/-0.1mm for common specifications; 
+/-0.15mm for big blocks 
 
Characteristics of the Neodymium magnet:
Name Rare earth NdFeB Neodymium Ring Iron Boron Magnet for Loudspeaker
Material Sintered NdFeb
Grade & working temperature Grade Max.Operating Temperature
N35-N45 80°C(176°F)
N48-N52 60°C(160°F)
35M-50M 100°C(212°F)
33H-48H 120°C(248°F)
33SH-45SH 150°C(302°F)
30UH-40UH 180°C(356°F)
28EH-38RH 200°C(392°F)
28AH-33AH 220°C(428°F)
Shape Arc,Segment,Block,Cube,Tile,Cylinder,Disc,Ring,Rod,Sphere,etc
Coating Ni,Ni-Cu-Ni,Zn,Ag,Expoxy,Passivated,etx
Size OEM
Packing Standard sea or air packing, such as carton, iron,wooden box, etc.
Delivery date 20-25 days after deposit received
 
Coating:
Surface Treatment Of Sintered NdFeB 
Type Thickness Color Temperature PCT SST Characteristics
Zn 5-10um Blue Silver ≤160°C / >48hr Protectgion for most products
Ni+Sn 10-30um Semibright Silver ≤160°C >48hr >96hr Excellent climate and salt spray resistance
Ni 10-30 um Bright Silver ≤200°C >48hr >96hr Excellent climate and salt spray resistance, suitable for clean-room
IVD AI 10-30 um Silver White ≤400°C >48hr >288hr superiorresistance to salt & humid atmosphere thickness equality, excellent adhesive attraction
Epoxy 10-30 um Black Gray ≤120°C >48hr >288hr Well climate and salt spray resistance
   

Magnetizing of the Neodymium Magnet: 
Rare Earth NdFeB Neodymium Ring Iron Boron Magnet for Loudspeaker



Application: sensors, motors, rotors, wind turbines, wind generators, loudspeakers, 
magnetic hooks, magnetic holder, filters automobiles and so on; 
Widely used in many fields, such as DC motors, rotors, sensors, wind turbines/wind generators, 
instruments, VCM, hard drives, loudspeakers, magnetic device & equipment, magnetic hooks, 
magnetic holder, magnet assemblies, magnetic filters, automobiles, magnetic coupling, MRI
(Magnetic Resonance Imaging) and so on.  


About Us:  
Rare Earth NdFeB Neodymium Ring Iron Boron Magnet for Loudspeaker
 

Founded in 2009, Xiamen Magnet-Forever gained the reputation and established ourselves in
business by aiming to find the best product solutions and promise to offer the finest quality
magnets. Motor magnets, magnetic assembling, and couplings are what we major in, 
professional services are what we keep in mind. Whatever (magnets) needed, 
you can always find them here ---in MAGFOREVER!  

Welcome to contact us for price, samples and factory inspection.
 

Certifications: 
Rare Earth NdFeB Neodymium Ring Iron Boron Magnet for Loudspeaker



Buyer Guide
Grade, shape & size, tolerance, coating requirement, 
magnetize direction, quantity are necessary details for a good quotation. 
Please send us a drawing or special packing demand to make
things clear if the magnet would be particularly customized.  
Trading Conditions
1. Sample: Samples are available
2. Shipment terms: there are two shipping methods, one is by sea, 
and another is by express, including DHL(its priority), UPS, FedEx, TNT, etc. 
3. Packing methods: demagnetize packing box (for Air and Express)
and normal packing box for sea.  
Details: PCS/CTN, CTNS/PLT, CTNS/Wooden carton, PLTS/Container     


Feel free to contact us if any interests: 
Audrey Su
Mobile: 0086-17750708175  

Rare Earth NdFeB Neodymium Ring Iron Boron Magnet for Loudspeaker

 Fragrance is high-concentrated aromatic oil which is synthetic by imitating the smell of fruit and natural  Perfume  .It is mostly used to make food, cosmetics and cigarettes. Classification by imitation natural flavor:
â‘  flowers fragrance : keep youth forever, including single flower and Compound flowers fragrance ;
â‘¡ fruit fragrance: Delicate and unique, Giving an honest and credible feeling
â‘¢ woody fragrance: cool, elegant, quiet, stable;
â‘£ grass fragrance: delicate fragrance, with a green atmosphere of fresh aroma

Perfume

Lemon Perfume,Jasmine Perfume,Lemon Scent Perfumes

Hebei Bossory Import & Export Trade Co., Ltd. ,