1.Granularity:20mesh to 400 mesh 2.Application:spray,powder metallurgy,fireworks ... 150 mesh, -200 mesh, -250 mesh, -325 mesh, -400 meshPhysical Properties:a. Dark gray amorphous powder, boiling point 3000 ... 2 °C, insoluble in water and organic solvents at room temperature. b. Belong to non-magnetic metal, will not ... H2O, H2SO4, HCl and HNO3 at room temperature.b. The content of N, H, O, C will increase in ...