Magnetisation Grade:         N38
Material: Neodymium-Iron-Boron (NdFeB)
Magnet ID:              NDB-10101-N38
Plating / Coating:  Nickel (Ni-Cu-Ni) / Double Ni / Zinc (Zn) / Epoxy        
Shape:         Block, Rectangle, Square w/ 3M Self-adhesive  
Self-adhesive Block Magnet Size: 
Self-adhesive Block Total Long (L):       10 mm
Self-adhesive Block Total Height (H):        10 mm
Self-adhesive Block Total Width (W):        1 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):    ≥ 955  kA/m ( ≥ 12 kOe)   
Maximum Operation Temperature: 80 °C 
Delivery Time:           14-35 days   

The Sintered NdFeB magnet is an alloy magnet that is mainly composed of Neodymium, Iron boron and other microelements(Al, Ga, Mo, Co). It is known as " King of magnet".
 A. Specification
Material: Sintered Neodymium-Iron-Boron;
Grade:N35-N52,35M-50M,35H-48H,33SH-45SH,30UH-40UH and 30EH-38EH;
Shape: ring,block,disc,segment,strip and so on;
Size: as your requirement, large to about 200mm;
Magnetization direction: through diameter or thickness, width, length;
Coating: Ni (NiCuNi), Zn, Silver,gold, copper, epoxy and so on.
Sample lead time: about 5-20 days;
Delivery time: 20-25 days after payment