Magnetisation Grade:         N38H
Material: Neodymium-Iron-Boron (NdFeB)
Magnet ID:              NT-302060-N38H
Plating / Coating:  Nickel (Ni-Cu-Ni) / Double Ni / Zinc (Zn) / Epoxy (Black/Gray) / Gold (Au)       
Shape:         Tube, Ring, Bar  
Tube Magnet Size: 
Tube Total Diameter (D):       30 mm
Tube Inner Diameter (d):         20 mm
Tube Total Height (H):         60 mm
Tolerance:         ±0.05 mm
Magnetisation Direction:    Axial  /  Radial   
Residual Magnetic Flux Density (Br): 1220-1250 mT (12.2-12.5 kGs)
Energy Density (BH)max:             287-310 KJ/m³  (36-39 MGOe) 
Coercivity Force (Hcb):              ≥ 899 kA/m ( ≥ 11.3 kOe)  
Intrinsic Coercivity Force (Hcj):    ≥ 1353 kA/m ( ≥ 17 kOe) 
Maximum Operation Temperature: 120 °C 
Delivery Time:           14-35 days   
5. Grades of NdFeB Rare Earth Magnet
N Series:   N35 N38 N40 N42 N45 N48 N50 N52
M Series:   35M 38M 40M 42M 45M 48M 50M
H Series:   30H 33H 35H 38H 40H 42H 44H 46H 48H
SH Series:  30SH 33SH 35SH 38SH 40SH 42SH
UH Series:  28UH 30UH 33UH 35UH 38UH 40UH
EH Series:  28EH 30EH 33EH 35EH
AH Series:  N28AH N30AH N33AH N35AH
6. Physical Property of Magnetic Material:
High Coercive Force, High density, High remanence, High Br.Temp.Coefficient, Anti-demagnetizing, Strong corrosion-resistance,  Different series,  different work temperature.
7. Wide Application of NdFeB,  AlNiCo & SmCo magnets
Speakers, Earphones, Microphones, Loudspeakers, Mobile Phone, Automobile, Motor, Engines, Printer, Toys, instrument and detecter, Sensors, Generator, Windmill, VCD, DVD, Laser head, Radar, Electron Accelerator, PMQ(electron beam),  MRI (Magnetic Resonance Imaging), Magnet Therapeutic Apparatus
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