Technical hero image for a PowderTechnology.info Monthly Know-How on Hausner Ratio and Carr Index. The image compares loose and tapped powder states in two graduated cylinders and shows how the same density ratio can arise from different physical mechanisms, including aeration, irregular particle packing, and cohesion. It also includes the HR and CI formulas, a result-to-next-test interpretation workflow, and a reference to the accompanying practical PDF guide.
