Product Description NdFebB Other Physical Properites: Temp.Coeff.Of Br: -0.11% Density: 7.4g/cm3 Vickers Hardness: 600Hv Tensile Strength: 8.0kg/mm2 Specific Heat: 0.12k Cak(kg) Young's Modulus: 1.6x1011N/m2 Poisson's Ratio: 0.24 Curie Temperature: 310-340 Electrical Resistivity: 144.cm Flexural Strength: 25kg/mm2 Coeff.of Thermal Expansion: 4x10-6 Thermal conductivity: 7.7cal/m.h. Rigidity: 0.64N/m2 Compressibility: 9.8x10-12m2/N Temp.Coeff.Of iHc: -0.60% Surface Treatment Method: Zinc, Nickel, Tin, Phosphor, Silver or Gold Plating, Spray Coating Epoxy Resin