The density of 99.9% spherical nickel titanium nitinol powder NiTi alloy powder is typically around 8,000-12,000 g/cm³. The specific gravity of the material depends on its composition and manufacturing method. However, it can be assumed that it will range from around 8,000 to 13,000 g/cm³. This value is based on industry standard specifications forNiTi alloy powder.