Magnetisation Grade:         N40
Material: Neodymium-Iron-Boron (NdFeB)
Magnet ID:              NT-20730-N40
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):       20 mm
Tube Inner Diameter (d):         7 mm
Tube Total Height (H):         30 mm
Tolerance:         ±0.05 mm
Magnetisation Direction:    Axial  /  Radial   
Residual Magnetic Flux Density (Br): 1250-1280 mT (12.5-12.8 kGs)
Energy Density (BH)max:             302-326 KJ/m³  (38-41 MGOe) 
Coercivity Force (Hcb):              ≥ 907 kA/m ( ≥ 11.4 kOe)  
Intrinsic Coercivity Force (Hcj):    ≥ 955  kA/m ( ≥ 12 kOe)   
Maximum Operation Temperature: 80 °C 
Delivery Time:           14-35 days   

High Consistency:
High Consistency: The Cpk of Remanence (Br) and Intrinsic Coercive Force (Hcj) are much higher than 1.67. The consistency of the surface magnetic field and magnetic flux can be controlled at +/-1%.
High performance rare earth permanent magnet neodymium for your sourcing
High performance rare earth permanent magnet neodymium for your sourcing
High Working Temperature:
High Working Temperature: The magnets of KST can satisfy the working temperature requirements with excellent temperature resistance. The AH series with 40 kOe super-high coercive force can replace Smco magnets in most applications.
High performance rare earth permanent magnet neodymium for your sourcing